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- In well-drilling project, corrosion of drill steel and pipeline is ubiquitous phenomena. 油田钻具和管道系统腐蚀是油田工程中普遍存在的问题。
- Main applications:For piercing seamless steel tubes such as stainless steel, drill steel and high temperature alloy steel. 用途：用于穿制不锈钢、合金钢和高温合金等无缝管。如有特殊要求，可协商解决。
- odd number side hollow drill steel 奇数边中空钢
- Because their cross sections are almost equilateral hexagons,the equilateral hexagons rock drill steels are regarded as my research objects. 钎杆用中空钢,简称“钎钢”,截面以正六角形和圆形为主,因此本文以正六角形钎杆用中空钢为研究对象。
- Instead, they applied drilling steel, pickaxe and bearing cushion contained slight technological element. 他们重新分配人手,并将吊车暂时停下来,动之以钢钎、镐头、还有略有科技含量的承重气垫。
- In a minute Jimmy's drill got into the steel door. 没过多大一会儿，基米就钻透了钢门。
- At six we were fallen in for drill. 六点钟我们站好队准备操练。
- Here we are in the yard of the steel mill. 这儿就是不锈钢厂的料场。
- The sound of that drill jangles horribly on the nerves. 那台钻机的声音响极了，十分刺耳。
- On the outskirts they passed a steel mill. 他们在郊区从一家钢铁厂前面经过。
- You'd better set a goal before you start the drill. 练习开始前，你最好设定一个目标。
- The concrete walls are reinforced with steel rods. 混凝土墙是用钢筋加固的。
- After a long drill he told the squad to fall out. 操练了好半天之后，他让这个班解散了。
- She had lots of drill in listening. 她在听力方面受过许多训练。
- This drill can bore through rock. 这台钻机能钻透岩石。
- He is in charge of the operation of the steel mill. 他负责这家钢厂的经营工作。
- The dentist's drill made a lot of noise. 牙钻发出很大的噪音。
- That thin red line tipped with steel. 那根细细的红线末端装有钢头。
- That boat is done with the steel plate. 那艘船是用钢板做的。
- It's a bridge of steel framework. 那是座钢铁结构的桥梁。
