基本解释[機械工程]履帶式松土機英汉例句雙語例句Large- sized crawler dozers normally have a set of claws called a ripper that is installed at the machine's rear end and can crush a hard rock.通常大型的履帶挖掘機尾後部會裝有爪型的排狀粗齒鋸，用於碾碎石塊。crawler ripper更多例句专业释义機械工程履帶式松土機