“pusher tractor”的概念、定义、翻译、参考文献-科学参考

单词	pusher tractor
释义	pusher tractor [`pu̇sh·ǝr ´trak·tǝr] ^{MINING ENGINEERING} A bulldozer exerting pressure on the rear of a scraper-loader while the loader is digging and loading unconsolidated ground during opencast mining.
随便看	root cast root circle root clay root component root crack root directory rooted ordered tree rooted tree rooter root face root field root fillet root hair root knot rootless vent root locus plot root-mean-square current root-mean-square deviation root-mean-square error root-mean-square sound pressure root-mean-square value root nodule root of joint root of unity root of weld

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