英语词汇“shaft signaling”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	shaft signaling
释义	shaft signaling shaft signaling [′shaft ¦sig·nəl·iŋ] (mining engineering) The transmission of visible and audible signals between the onsetter or hitcher at the pit bottom and the banksman or hoistman at the pit top.
随便看	pncta pncu pncv pncw pncwa pnd pnda pndan pndb pndc pndcl pndd pnddo pnde pndef pndep pndf pndg pndi p-n diode pndl pndls pndm pndo pndp

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