... 顶管法 pipe jacking method 顶进工作坑 thrust pit 顶力 jacking pressrue ...
基于22个网页-相关网页
thrust pit
推力坑
以上为机器翻译结果，长、整句建议使用 人工翻译 。
When ignited in a test pit the rocket, called the B4, produced a thrust of about a quarter of a tonne and behaved exactly as predicted.
BBC: Hybrid success for British rocket
应用推荐
模块上移
模块下移
不移动