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Terms for subject Geology containing A | all forms | exact matches only
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leading edge of a slide滑坡前沿
put down a shaft打直井
put down a shaft挖竖井
strike a bed发现煤〔矿〕层
strike a lead找到矿脉
toe of a slide滑坡前沿
toe of a slope坡脚
top of a formation地层顶部