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掘进机 juéjìnjī
gen.	helldiver
hydroel.st.	tunnel boring machine; digger
tech.	breasting wheel machine; development machine; entry-driving machine; shield tunneling machine; shield tunnelling machine; tunneler; tunneller
掘进机不需要爆破，利用机头上的刀具在强大的轴向推力和回转力下直接开挖岩石的机械。开挖下来的岩渣用传送带运出洞外。适用于小断面的巷道和软弱岩层,是近代开发的一项新技术 juéjìnjī
expl.	gripper
掘进机〔工〕 juéjìnjī
gen.	header

掘进机 : 122 phrases in 12 subjects

Construction	1
Earth sciences	2
Electronics	4
Engineering geology	4
General	6
Hydroelectric power stations	14
Metallurgy	1
Oil / petroleum	1
Project management	1
Rail transport	9
Technology	78
Transport	1