So,in the construction of breast wall concrete,a series of technique measures are taken in quality contral points as moldboard design, installation of embedded parts ,crack prevention of mass concrete and detail treatment,and achieve go.

為此 先锋影音官网，在戊碼頭的胸墻施工中jinv在线观看精品，針對(duì)模板設(shè)計(jì)欧洲熟妇色XXXX欧美老妇、預(yù)埋件安裝一级特黄aa毛片大片在线、大體積砼防裂以及細(xì)部處理等質(zhì)量控制點(diǎn)采取了一系列的綜合性技術(shù)措施，并取得了良好的效果在线观看播放国产日韩视频。

Combined with practice the applications of fair-faced concrete technology in high-rise residence are introduced in terms of shear wall moldboard , roof moldboard, drip mould and stair step.

結(jié)合工程實(shí)踐久久国内精品，主要從剪力墻模板欧美大片免费久久精品三p、頂板模板以及門窗洞口的留設(shè)、滴水線黄视频在线品、樓梯踏步三個(gè)細(xì)部亚洲日韩欧美精品，介紹了清水混凝土施工工藝在高層住宅工程中的運(yùn)用，指出采用該工藝提高了住宅的實(shí)用率日韩中文无码手机下载网站大全，具有明顯的經(jīng)濟(jì)效益和社會(huì)效益查找黄网站。

Research has shown that deep tillage with a moldboard plough in the monsoon season can overcome this problem.

研究表明，用有壁犁在季風(fēng)季節(jié)深耕可解決這一問題国产精品国产三级传区网站。

A bulldozer with an angled moldboard to push earth to one side.

帶有成角的犁板把土推到一邊的一種推土機(jī)欧美特黄性交片。

The longer moldboard improves working efficiency.

更長的鏟刀，提高了作業(yè)效率色色色色色色色色色色色色色狼操屄。

The operator can make small adjustments when performing fine grading or move the moldboard more quickly when making faster passes.

操作者可以在執(zhí)行罰款等級(jí)小的調(diào)整或?qū)⒗绨鍟r(shí)更迅速地傳遞速度中文日韩精品第56页在线观看视频。

Future research needs to study the dynamics of the compaction problem to determine how frequent moldboard or deep tillage is needed.

將來需要研究緊實(shí)問題的動(dòng)力學(xué)以確定需要幾次有壁犁深耕。

After contrasting and optimizing this paper gets a set of parameters. Then according to these parameters the paper sets up entity model, and after validating and analyzing with finite element it can save time of calculating. On the other hand, it can provide a good method of design of moldboard plow surface.

通過對(duì)這四個(gè)階段中土垡的運(yùn)動(dòng)學(xué)和動(dòng)力學(xué)分析研究操逼免费性爱网站，建立了犁體牽引阻力的數(shù)學(xué)模型；通過對(duì)比分析得到較優(yōu)的一組參數(shù)2020国内精品久久久久精品99，然后以該組參數(shù)為依據(jù)進(jìn)行參數(shù)優(yōu)化免费视频插到爽，最后以優(yōu)化后的參數(shù)建立犁體實(shí)體模型，應(yīng)用有限元進(jìn)行分析久久久特黄大片，節(jié)省了計(jì)算時(shí)間和提高了計(jì)算效率一级黄色片干女儿久久网站，為今后犁體曲面設(shè)計(jì)提供了一種方法。

It was found that introducing 15 g/L additive containing 1.5 g saccharin helped to well retard electropolishing-induced corrosion of the electropolished improve the quality of the electropolished moldboard surfaces. At the same time, it was feasible to realize satisfactory precision electropolished of the laser moldboard made of stainless steel at a current density of 20~25 A/dm^2, duration of 1 min, and temperature of 60~65 ℃. The resulting polished moldboard had smooth walls and bright surface, while the corrosion was less than 0.005 mm.

結(jié)果表明国产操逼视频免费观看，添加劑含量在15 g/L時(shí)能有效抑制拋光的腐蝕量国产黄色精品视频免费看，提高拋光質(zhì)量；在精拋光的參數(shù)電流密度為20~25 A/dm^2欧美日韩有码A，溫度60~65℃日韩精品在线不卡，時(shí)間1 min條件下，鋼片經(jīng)去毛刺處理和精拋光處理能達(dá)到孔壁光滑717秋霞理论电影网good、腐飲量小于0.005 mm的要求亚洲国产日韩欧美。

The effect of moldboard (30 cm deep) ploughing was compared with a subsoiler (45 cm deep) chisel (25 cm) plough and farmer's cultivator (10 cm deep) in 1983 and only the moldboard gave significant benefits over the cultivator (Khan, et al., 1986)(Fig.1 Effect of pre-monsoon tillage treatment on wheat yields).

馬鈴薯、蠶豆和蔬菜（Rouse和Stone强奸乱伦免费视屏，1980）中文字幕一级毛片在线、蓖麻、紅小豆和珍珠小米（Reddy等Jizz国产精品网站，1983）以及中國種植的小麥Zhao等女子一级裸体毛片高清视频网站，1986）都報(bào)道過類似的結(jié)果。