1) hammer nitrogen gas charge pressure
![点击朗读](/dictall/images/read.gif)
冲击锤氮气灌充压力
2) nitrogen pressure charge
![点击朗读](/dictall/images/read.gif)
氮气加压充灌
3) pneumatic impact haxrmner
![点击朗读](/dictall/images/read.gif)
气动冲击锤
4) hydraulic percussion hammer
![点击朗读](/dictall/images/read.gif)
液压冲击锤
1.
This paper introduces research and development of DH pneumatic perforating machine, hydraulic percussion hammer and trajectory -controlled pneumatic perforating machine and their application.
非开挖技术在国际发展迅速,在我国尚有差距,本文介绍我国DH气动穿孔机、液压冲击锤、轨迹可控气动穿孔机的研制及工程应用情况。
5) dry nitrogen charge pressure
![点击朗读](/dictall/images/read.gif)
干氮充气压力
6) impact air pressure
![点击朗读](/dictall/images/read.gif)
气流冲击压力
补充资料:揲揲锤锤
1.象声词。促织的叫声。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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