单词盒子

hauling block

H 开头单词

基本解释

  • [经济学]牵引滑轮

英汉例句

    双语例句

  • 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.
    上个月的抗议活动是因两个蒙古人阻拦采煤运煤活动被杀而起，当地人抱怨采煤运煤活动损坏了草原并造成了污染。
    blog.sina.com.cn

词组短语

    短语

  • hauling g block 牵引滑轮

专业释义

    经济学

  • 牵引滑轮