“lewis pin”的概念、定义、翻译、参考文献-科学参考

单词	lewis pin
释义	lewis pin [`lü·ǝs ´pin] ^{MINING ENGINEERING} A pin used for attachment to a key block; it is placed in a shallow drill hole with a wedge at either side.
随便看	waterborne disease water brake water break water budget water bug water calorimeter water clock water cloud watercolor watercolor paper watercolor pigment water column water conservation water content water-cooled condenser water-cooled furnace water-cooled reactor water-cooled tube water cooling watercourse watercress water curb water cycle water demineralizing water-drive reservoir

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