hauling block

基本解释

• [經濟學]牽引滑輪

英汉例句

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矇古人阻攔採煤運煤活動被殺而起，儅地人抱怨採煤運煤活動損壞了草原竝造成了汙染。
  blog.sina.com.cn

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词组短语

短語

• hauling g block 牽引滑輪

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专业释义

經濟學

• 牽引滑輪