·2,447,543篇论文数据，部分数据来源于NoteExpress
穿孔过程中自身不回转的非开挖气动锤包括冲击矛、夯管锤和爆管锤。
The trenchless pneumatic hammers which don t rotate themselves during drilling include impact moles, pipe ramming hammers and pipe bursting hammers.
youdao
应用推荐
模块上移
模块下移
不移动