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- CAD for crown profile curve fitting of diamond bit. 金剛石鉆頭冠部曲線(xiàn)擬合的計算機輔助設計。
- The diamond bit design expert system and the computer controlled system for the bit production are described with their uses in production. 介紹了金剛石鉆頭設計的專(zhuān)家系統和鉆頭制造的微機自動(dòng)控制系統，以及在生產(chǎn)中使用的情況。
- Seen from layer structure the using condition of well section and region distribution, diamond bit has ideal market prospect. 從地層結構、井段使用情況、地域分布情況等來(lái)看,金剛石鉆頭具有理想的市場(chǎng)前景。
- In the first place, the paper analyzed the research background, status of the seabed sampling technology and the diamond bit coring technology. 文章首先分析了海底取樣技術(shù)的國內外研究現狀和金剛石鉆進(jìn)技術(shù)的概況。
- The performance of electroplated diamond bit is greatly affected by the adaptability of its matrix material performance to the rock drilled. 電鍍金剛石鉆頭的胎體性能對巖石的適應性顯著(zhù)影響鉆頭的鉆進(jìn)效果。
- The author utilized electrolysis to retrieve polycrystal from on an artificial diamond bit and made them reused, which could reduce actual cost of the bit. 應用電解法回收鉆頭中的人造金剛石聚晶,使其重復使用,可以降低鉆頭的實(shí)際成本。
- When drilling extra-hard, compact and weak-abrasiveness formation, diamond bit is oftenpolished and slipping. The drilling efficiency, run and the mean life are very low. 金剛石鉆頭在堅硬致密弱研磨性巖層鉆進(jìn)時(shí),經(jīng)常出現鉆頭拋光和打滑現象,鉆頭時(shí)效、使用壽命都非常低。
- The paper introduces the compose and the principle of operation of the tester and the experimentation of testing diamond bit,analyses the results in experiment. 介紹了該儀器的組成和工作原理及利用該儀器測試金剛石鉆頭的實(shí)驗過(guò)程,分析了實(shí)驗結果。
- YANG Kai-hua, YANG Chang-rui, ZHANG Shao-he.Research on diamond bit with weak holding for drilling extra-hard formation [J].Exploration Engineering,2001, (Sup.): 251-252,255. [5]楊凱華;楊昌銳;張紹和.;弱包鑲金剛石鉆頭鉆進(jìn)堅硬巖層的研究[J]
- A new type of impregnated diamond bit with two sorts of diamond abrasives has been developed, which can improve both penetration rate and service life simultaneously. 研制出一種兩級磨料新型孕鑲金剛石鉆頭，該種鉆頭解決了時(shí)效與壽命不能同步提高這一長(cháng)期困擾鉆頭研制者的難題。
- The application field of thin kerf diamond bits is introduced.The way to achieve better economic results of thin kerf diamond bit is presented based on manufaction, use and wear of bit. 對薄壁金剛石鉆頭應用領(lǐng)域進(jìn)行了介紹，并從鉆頭制造和使用及鉆頭磨損等方面提出了提高薄壁金剛石鉆頭經(jīng)濟效益的途徑。
- Based on analyzing wear mechanism of matrix,use the tester of the Wear resistance of the matrix diamond bit and diamond saw which is made by myself to test and research the diamond bit. 在分析胎體磨損機理的基礎上,自制了金剛石鉆頭和金剛石鋸片胎體的耐磨性測試儀對金剛石鉆頭進(jìn)行測試研究。
- Some relationship of acoustic emission with longitudial and transverse forces and fragmentation volume have been found in the cutting tests for 10 types of rock using a single diamond bit. 在牛頭刨床上通過(guò)對10種巖石的切削試驗，得到了在單粒金剛石鉆頭切削作用下巖石聲發(fā)射活動(dòng)與切向力、軸向力及破碎體積之間的一些規律。
- He bit off a large piece of the apple. 他咬下一大塊蘋(píng)果。
- She was a bit queer after her husband deserted her. 她遭丈夫遺棄後精神有點(diǎn)失常。
- The diamond ring dazzled with brilliancy. 這只鉆石戒指閃耀奪目。
- She wears a diamond ring on her left hand. 她左手上戴著(zhù)一枚鉆石戒指。
- She wore a diamond clip on her new dress. 她在新衣服上戴了一枚鉆石別針。
- I reckon the girl is a little bit boyish. 這想這個(gè)女孩有點(diǎn)男孩子氣。
- I saw diamond studs in her ears. 我看見(jiàn)她耳朵上戴著(zhù)的鉆石耳釘。
