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溜井掘进
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溜井掘进
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井巷掘进与支护
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pass driving
溜井掘进
采用凿岩爆破或机械破岩的方法,形成溜井(或天井)所进行的掘进作业。
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alkynyl group
alkynyl metal
alkynyl sugar
al Kāshī
al-Kāshī
al-Kāshī(?1429)
ALK阳性间变性大细胞淋巴瘤
All About Difficulties in Learning
All About Eve
All About Macao
allactite
All-African Games
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all-air central air-conditioning system
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Allais paradox
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All-America Football Conference
All-American canal irrigation district
All American Girls Professional Baseball League
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