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冲击式钻机 chōngjī shì zuànjī
eng.geol. free-fall drill; percussion boring rig
met. knock-boring machine
oil percussion drill; hammer drill
railw. impact-type drill machine; percussion type drill machine
tech. churn; hammer rock drill; impact drill; percussion borer; percussion-type boring machine; percussive drill; impact boring machine
冲击式 钻机
: 21 phrases in 6 subjects
Architecture1
Electronics1
Engineering geology5
Mechanics1
Metallurgy1
Technology12

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