差熱分析differentialtra ing: 差異聚集differentialsidegear: 差速器邊齒輪differentialvalve: 差動(dòng)閥differentialsettlement: 不規(guī)則沉降; 不均勻沉陷differentialvpiston: 差動(dòng)槳距下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯