英语词汇“lewis pin”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	lewis pin
释义	lewis pin lewis pin [′lü·əs ‚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	nh1 nh2 end nh2 terminal nh2-terminal nh2 terminus nh 3 nh3 nh 4 + nh4 nh4+ (nh4)2so4 nh4br nh4cl nh4no3 nh4oh nh5 nh8 nha nhaa nhaae n'ha-aitk nhaao nhaaom nhaap nhaapp

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