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- percussion reverse circulation drill 沖擊反循環(huán)鉆機
- Air driven hollow DTH hammer is applied,along with a set of dual wall drilling pipe and a specially designed reverse circulation bit,to conduct continuous coring reverse circulation drilling. 氣動(dòng)貫通式潛孔錘與雙壁鉆桿及專(zhuān)門(mén)研制的反循環(huán)鉆頭 (獲國家發(fā)明專(zhuān)利 )配套使用 ,可實(shí)現反循環(huán)連續取心 (樣 )鉆進(jìn)新工藝 ,連續獲取的巖樣采取率高 ,品質(zhì)好 ,代表性強。
- At six we were fallen in for drill. 六點(diǎn)鐘我們站好隊準備操練。
- Pound notes have been withdrawn from circulation. 一英鎊面值的鈔票已停止流通。
- Large Diameter Grouting Pile Construction by Percussive Reverse Circulation Drill without Mud Pit in Hongkong 沖擊反循環(huán)鉆機在香港無(wú)泥漿池施工樁基工程
- The sound of that drill jangles horribly on the nerves. 那臺鉆機的聲音響極了,十分刺耳。
- You'd better set a goal before you start the drill. 練習開(kāi)始前,你最好設定一個(gè)目標。
- Harvey discovered the circulation of the blood. 哈唯發(fā)現了血液循環(huán)。
- After a long drill he told the squad to fall out. 操練了好半天之后,他讓這個(gè)班解散了。
- We observed the circulation of blood in frogs. 我們觀(guān)察了青蛙的血液循環(huán)。
- The old coins have been withdrawn from circulation. 舊硬幣已經(jīng)收回不再流通了。
- She had lots of drill in listening. 她在聽(tīng)力方面受過(guò)許多訓練。
- Many forged notes are in circulation. 許多假鈔在流通。
- This drill can bore through rock. 這臺鉆機能鉆透巖石。
- This magazine has a large circulation. 這本雜志發(fā)行量很大。
- The dentist's drill made a lot of noise. 牙鉆發(fā)出很大的噪音。
- pump reverse circulation drilling technique 泵吸反循環(huán)鉆進(jìn)工藝
- These ideas have been in circulation for some time. 這些想法已經(jīng)流行了一段時(shí)間。
- What's the drill for claiming expenses? 費用報銷(xiāo)的手續,是怎樣的?
- air-lift reverse circulation drilling 氣舉反循環(huán)鉆進(jìn)