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- drilled valve head 有孔阀头
- The results show that a part of the flow passage of the valve seat is occupied by the cavity under the valve head, leading to a decrease of flow rate. 研究结果表明：阀碟下方的空穴区占据了阀座喉部通流面积的一部分，使得有效的通流面积减小，影响了阀门的通流能力；
- The field test indicates that characterized by flexible switching and reliable sealing,the new drilling valve can improve the efficiency of connecting individual pipe while gas drill... 现场试验表明,钻井阀开关灵活,密封可靠,提高了气体钻井时接单根的效率和作业的安全性,测斜时不碰、挂测斜仪。
- Failure Analysis of Engine Valve Head Falling 发动机气门盘部弦位掉块失效分析
- emergency exhaust valve head connection 紧急排汽阀盖接头
- connection intercepting valve head 中间阀盖接头
- intercepting valve head connection 中间阀盖接头
- At six we were fallen in for drill. 六点钟我们站好队准备操练。
- The teacher drilled the class in pronunciation. 老师训练学生发音。
- The farmers drilled wells for water. 农民打井取水。
- Failure Analysis of Falling Pieces for 4102 Admission Valve Head 4102进气门头部掉块失效分析
- The sound of that drill jangles horribly on the nerves. 那台钻机的声音响极了，十分刺耳。
- Have you turned off the water valve? 你关掉水阀了吗？
- 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。
- 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。
- The dentist's drill made a lot of noise. 牙钻发出很大的噪音。
- We need an eye bolt to fit this valve. 我们需要一个有眼螺栓来固定这个阀门。
- What's the drill for claiming expenses? 费用报销的手续，是怎样的?
以上内容独家创作，受著作权保护，侵权必究
海词词典，十七年品牌
