hauling block

基本解釋

• [經(jīng)濟學]牽引滑輪

英漢例句

雙語例句

• Last month's protests followed the killings of two Mongols who were trying to block coal-mining and coal-hauling operations that locals complain damage grasslands and cause pollution.
  上個月的抗議活動是因兩個蒙古人阻攔采煤運煤活動被殺而起，當?shù)厝吮г共擅哼\煤活動損壞了草原并造成了污染。
  blog.sina.com.cn

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詞組短語

短語

• hauling g block 牽引滑輪

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專業(yè)釋義

經(jīng)濟學

• 牽引滑輪