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取芯钻头
qǔxīn zuàntóu
eng.geol.
coring bit
;
coring-type bit
;
ring bit
tech.
core bit
;
coring crown
;
crown bit
取
岩
芯钻头
eng.geol.
rock core bit
取 芯钻头:
37 phrases
in 2 subjects
Engineering geology
10
Technology
27
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