This article introduced the antijamming in the NC system design,from the shield (including electric field shield ,magnetic screen and electromagnetic field shield ) designs mentions,added the absorbing circuit to the perceptual load to suppress the transient state noise to give the specify,might avoid the NC system which disturbed creates softly breakdown.

本文介紹了抗干擾在數(shù)控系統(tǒng)中的設(shè)計日韩精品专区一区二区，從屏蔽(包括電場屏蔽、磁場屏蔽和電磁場屏蔽)設(shè)計談起日韩不卡视频毛片，對感性負載加吸收電路來抑制瞬態(tài)噪聲做了詳細說明四川农村女人一级毛片，可避免干擾造成的數(shù)控系統(tǒng)的"軟"故障。

This paper brings the method of the internal magnetic shield mainly from the principal of magnetic shield, the choice of shield material and the determination of its thickness.

主要從磁屏蔽原理亚洲欧美xx、磁屏蔽材料的選擇以及屏蔽層厚度確定等方面進行闡述国产综合app免费观看。

The shielding effectiveness of cylindrical shield and the influence of the shield on the magnetic field in the solenoid are calculated by using finite element method. The curves of the shielding effectivencess and magnetic field in the solenoid against the shield dimension are obtained.

采用有限元方法計算了圓柱形屏蔽體的屏蔽效能和屏蔽體對螺線管內(nèi)部磁場的影響，得到屏蔽效能和螺線管內(nèi)部磁場隨屏蔽體尺寸變化的曲線国产丝袜在线。

At present company's products mainly include: precision machinery Dustproof Series: rubber protective cover, oil shield, shield plate, screw shields, flexible organ-style guard rail, multi-use type shields, welding shields, stainless steel armor-type shield machine, the overall telescopic organ shields, steel plate, stainless steel guard rail machine tools, special steel products produced by telescopic guard.

目前公司產(chǎn)品主要有：精密機械防塵罩系列：橡膠防護罩亚洲色图,乱伦小说、耐油防護罩、鋼板防護罩亚洲国内综合久久图片一区、絲杠防護罩欧美大胆性生活、柔性風(fēng)琴式導(dǎo)軌防護罩、多用型護罩欧美国产极品免费区、焊接護罩亚洲婬婬综合网、不銹鋼盔甲式機床防護罩、整體伸縮式風(fēng)琴護罩老子影院在线、鋼板野外A片黄色網址、不銹鋼板機床導(dǎo)軌防護罩、特殊鋼材制作的伸縮式護罩涩涩涩亚洲日韩一区二区。

Judging on the radioactive rays whether they penetrated through the truncated right angle cone shield configuration. A hypothetical circumscribed rectangular parallelepiped of the they penetrated through the truncated right angle cone shield configuration. A hypothetical circumscribed rectangular parallelepiped of the truncated right angle cone shield configuration is also presented. The methods simplified the camber equation and reduced the calculation time significantly.

在判斷放射線是否穿透此圓錐臺體時亚洲国产97在线精品一区，又提出了圓錐臺形屏蔽體的假想外接長方體的建模方法，將曲面方程聯(lián)立解的復(fù)雜計算簡化為一次代數(shù)方程的簡單計算女子裸体网站，大幅度地縮短了計算時間精品91。

The platoon fan shield of all sorts of norms dimension, fanner cover, medicinal powder sirocco fan cover, smoke lampblack machine shield and mechanical shield to wait.

各類標(biāo)準(zhǔn)大小的排扇子護罩、電扇子罩狠狠亚洲超碰狼人久久老人、散熱扇子罩久久国产AV综合、抽油煙機護罩和機器護罩等。

With the purposes to shorten development period of shield control system and avoid the unsafety of imperfect-designed control system when connected directly to the shield and at the same time, for the convenience of optimal design and remote failure diagnosing of the system, it is very important to develop a test bench for the shield control system.

為縮短盾構(gòu)控制系統(tǒng)的研發(fā)周期亚洲综合一区二区三区无码，避免在控制系統(tǒng)設(shè)計不完善時直接與盾構(gòu)聯(lián)機所帶來的不安全性免费观看A级毛片在线播放，同時也為了便于系統(tǒng)的優(yōu)化設(shè)計和系統(tǒng)的遠程故障診斷，有必要研制盾構(gòu)控制系統(tǒng)檢測式驗臺欧美成年人性视频。

Analysis is made on the risks of the shield tunneling across the existing railway by means of FEM and the following technical countermeasures are proposed: firstly, preconsolidation is made for the ground where the shield passes so as to improve the ground's stability; secondly, strengthened segments with preserved grouting holes are adopted in the tunnel design; thirdly, proper resources are allocated, the construction parameters are optimized and the construction monitoring and measurement are enhanced; finally, the shield tunneling is executed strictly following the predetermined plan.

采用有限元理論分析在有無旋噴樁情況下盾構(gòu)穿越鐵路的風(fēng)險因素天天爽天天插夜夜摸日日干、提出控制沉降的技術(shù)措施：首先對盾構(gòu)穿越區(qū)的地層進行了預(yù)先加固來改良地層亚洲色图国产，使地層有較好的穩(wěn)定性；其次在盾構(gòu)隧道設(shè)計上采用加強性管片日本免费一级高清婬日本片欧美，并增加施工預(yù)留注漿孔CaoPoron草棚在线视频；在盾構(gòu)穿越過程中合理配置資源，優(yōu)化施工參數(shù)丰满又黄又爽少妇毛片，加強監(jiān)測和信息化管理免费进入黄色网站。

Chock Shield The chock shield combines the features of the chocks and the shield.

鋼梁盾牌該鋼梁盾相結(jié)合的特點，該chocks和盾牌色色婷婷色婷色色。

LiWei INC was founded in 1999, integrating scientific research, design, production, operating in one, professional production and sale of Rock Drilling, mining accessories, engineering tools, rock drilling tools, milling machine milling teeth, milling Machine Cutter, road Mixer Cutter, coal mine cut teeth with various types of Shearer with conical teeth, knife-shaped cross-sectional tooth, boring machine with boring tooth, shield knives, metro shield machine shield configuration tools and various types of mining bits, rock drills, anchor drills, rotary drilling engineering cut-off teeth, using rotary drilling rig Rotary Drilling teeth, tooth roadheader, Rotary Drilling teeth, bucket teeth, tooth Block, and a variety of Rock Drilling Bits, including word, cross drill head, the ball tooth drill head, drill sets, drill tail, drill rod and so on.

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