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.cnhauling block更多例句詞組短語短語hauling g block 牽引滑輪hauling block更多詞組專業(yè)釋義經(jīng)濟學牽引滑輪