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钻芯
 钻芯
construct. auger core
plast. bore core
| 试样
 试样
hydroel.st. probe; proof sample
met. coupon; exponent; laboratory sample; piece

to phrases
钻芯
construct. auger core
plast. bore core
tech. core bit; web
钻芯
: 278 phrases in 12 subjects
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