And only another diamond can make a slight cut in a diamond.

地球上的絕大部分碳都是來(lái)自從前的生物。

Is located in the city, the northwest region of considerable size artificial diamond, CBN wheel, diamond drill bit products and professional manufacturing enterprises.

西安航都超硬磨具有限公司坐落在西安飛機(jī)城內(nèi)在线视频色九色，是西北地區(qū)頗具規(guī)模的人造金剛石人人入人人干人人爱爱爱爱爱、立方氮化硼砂輪亚洲黄色视视频，金剛石鉆頭及其制品的專(zhuān)業(yè)生產(chǎn)制造企業(yè)国产一级黄在线观看播放。

Based on the researches, new type products of geological engineering diamond drill bits series have been developed. The factory has 5 patented techniques. The key technology enjoys wholly independent intellectuar rights. The factory becomes one of the professional producers of diamond drill bits at home.

在此基礎(chǔ)上研制開(kāi)發(fā)了新型的金剛石地質(zhì)工程鉆頭系列產(chǎn)品99精品高清一级毛片，擁有相關(guān)技術(shù)的國(guó)家授權(quán)專(zhuān)利5項(xiàng)，主要的核心技術(shù)擁有完全的自主知識(shí)產(chǎn)權(quán)插插插操操，成為國(guó)內(nèi)金剛石鉆頭的專(zhuān)業(yè)生產(chǎn)廠家之一欧美26uuu。

Experiments were carried out concerning drilling of CFRP, using solid carbide drills and diamond drills. It was found that the diamond drill were an ideal tool for drilling of CFRP.

本文最后對(duì)碳纖維復(fù)合材料高質(zhì)量制孔技術(shù)進(jìn)行了試驗(yàn)研究，給出了幾種金剛石鉆頭的結(jié)構(gòu)超碰在线视屏，經(jīng)鉆削試驗(yàn)發(fā)現(xiàn)金剛石鉆頭是碳纖維復(fù)合材料高質(zhì)量制孔的良好工具和今后發(fā)展方向久免视频免费一区。

Mainly used for:(1) one type of welding, diamond head of the welding, the welding carbide saw blades and diamond tools, abrasives, drill welding.

主要用于：焊類(lèi) 1、金剛石刀頭的焊接无码日韩少妇爆乳视频，硬質(zhì)合金鋸片的焊接及金剛石刀具亚洲女生被插下体免费看网站、磨具、鉆具的焊接久射久aV。

Study on bond and diamond of diamond core drill bit for reinforced concrete;2. Also glass ceramic is used as the bond of CBN grinding wheel by examining the properties of new bond .

研究了微晶玻璃中加入低熔物全国男人的天堂网,天堂网、成核劑后對(duì)微晶玻璃熱處理曲線av成人网站高清免费观看、微晶量及微晶體尺寸的影響激情欧美自拍偷拍，并通過(guò)測(cè)試改性微晶玻璃的軟化溫度和熱膨脹系數(shù)對(duì)CBN磨粒的把持強(qiáng)度激情文学网，進(jìn)而將微晶玻璃用作CBN砂輪結(jié)合劑的作用作了研究，經(jīng)過(guò)在數(shù)控凸輪軸磨床上的試驗(yàn)證明插插黄色视频免费观看，微晶玻璃結(jié)合劑的CBN砂輪的磨削效果很好国模吧高清女模专业网站。

From Australia's superb hot molding and powder metallurgy technology and strict quality control to avoid the domestic general caused by hot-pressing sintering diamond serious carbonation, damage a common problem, with a diamond drill bit than electroplating package insert firmly with the steel body connected to a reliable and never out of the superiority of teeth.

來(lái)自澳大利亞精湛的熱成型和粉末冶金技術(shù)以及嚴(yán)格的質(zhì)量控制，避免了國(guó)內(nèi)一般熱壓燒結(jié)造成金剛石嚴(yán)重碳化你懂滴视频，損害的通病黄色视频在线网站2，又比電鍍鉆頭具有金剛石包鑲牢固，與鋼體聯(lián)接可靠国产一级A视频，永不掉齒的優(yōu)越性https://igao16com。

The TS of diamond is made as an important evidence for ascertaining the application field of diamond abroad.

在國(guó)外熱穩(wěn)定性被作為確定金剛石應(yīng)用領(lǐng)域最重要的依據(jù)。

Analyzing the main influencing factors on the tribological properties of diamond films, some problems of importance to the application of diamond films in the field of tribology are proposed and discussed.

簡(jiǎn)要分析了影響金剛石薄膜摩擦學(xué)性能的主要因素好色妞xxxx在线，并提出金剛石薄膜應(yīng)用于摩擦學(xué)領(lǐng)域需要重視解決的幾個(gè)問(wèn)題中国国产高清免费AV片。

The technique of composite plating of nickel／diamond in ultrasonic field was researched and ultrasound-assisted electroplating technique for diamond bit manufacture was established.

研究了超聲波作用下的鈔金剛石復(fù)合電鍍工藝，確定了超聲波電鍍金剛石鉆頭的制造工藝流程国产永久免费高清在线播放，并根據(jù)確定的工藝試制了Φ75.5／49繩索取心鉆頭進(jìn)行野外鉆進(jìn)試驗(yàn)日韩精品www视频。