英语词汇“primary haulage”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	primary haulage
释义	primary haulage primary haulage [′prī‚mer·ē ′hȯl·ij] (mining engineering) A short haul in which there is no secondary-or main-line haulage. Also known as face haulage.
随便看	sgot:sgpt sgou sgov sgp sgp3 sgp4 sgpa sgpb sgpbf sgpbj sgpc sg-pd sgpd sgpdc sgpds sgpdt sgpe sgpf sgpfc sgpg sgpgi sgpgims sgpi sgp-icsae sgpio

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