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- In well-drilling project, corrosion of drill steel and pipeline is ubiquitous phenomena. 油田鉆具和管道系統腐蝕是油田工程中普遍存在的問(wèn)題。
- Main applications:For piercing seamless steel tubes such as stainless steel, drill steel and high temperature alloy steel. 用途：用于穿制不銹鋼、合金鋼和高溫合金等無(wú)縫管。如有特殊要求，可協(xié)商解決。
- odd number side hollow drill steel 奇數邊中空鋼
- Because their cross sections are almost equilateral hexagons,the equilateral hexagons rock drill steels are regarded as my research objects. 釬桿用中空鋼,簡(jiǎn)稱(chēng)“釬鋼”,截面以正六角形和圓形為主,因此本文以正六角形釬桿用中空鋼為研究對象。
- Instead, they applied drilling steel, pickaxe and bearing cushion contained slight technological element. 他們重新分配人手,并將吊車(chē)暫時(shí)停下來(lái),動(dòng)之以鋼釬、鎬頭、還有略有科技含量的承重氣墊。
- In a minute Jimmy's drill got into the steel door. 沒(méi)過(guò)多大一會(huì )兒，基米就鉆透了鋼門(mén)。
- Here we are in the yard of the steel mill. 這兒就是不銹鋼廠(chǎng)的料場(chǎng)。
- At six we were fallen in for drill. 六點(diǎn)鐘我們站好隊準備操練。
- On the outskirts they passed a steel mill. 他們在郊區從一家鋼鐵廠(chǎng)前面經(jīng)過(guò)。
- The concrete walls are reinforced with steel rods. 混凝土墻是用鋼筋加固的。
- You should finish your English grammar drills in the class. 你應該在課堂上完成語(yǔ)法練習。
- The sound of that drill jangles horribly on the nerves. 那臺鉆機的聲音響極了，十分刺耳。
- He is in charge of the operation of the steel mill. 他負責這家鋼廠(chǎng)的經(jīng)營(yíng)工作。
- 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。
- That thin red line tipped with steel. 那根細細的紅線(xiàn)末端裝有鋼頭。
- 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。
- That boat is done with the steel plate. 那艘船是用鋼板做的。
- She had lots of drill in listening. 她在聽(tīng)力方面受過(guò)許多訓練。
- It's a bridge of steel framework. 那是座鋼鐵結構的橋梁。
- This drill can bore through rock. 這臺鉆機能鉆透巖石。
