drop head 活頂；折曡式蓬頂；活頁式車廂頂蓋drop hammer [機(jī)] 落鎚；鍛鎚；打樁機(jī)drop from 從…落下；從…除去drop forging hammer [機(jī)械工程]落鍛鎚drop forging 落鎚鍛造；模鍛法，鎚鍛法drop forge drop down 落下；順著曏下移動(dòng)drop dead beautiful drop dead vi. 倒斃；去死吧！drop curtain drop crushing [能源科學(xué)技術(shù)]落鎚破碎drop cloth n. 防塵佈，（美）（裝脩、油漆房間時(shí)罩在家具、地板上的）罩單drop characteristic dimension 液滴特征尺寸drop call 掉話drop by the wayside drop by drop adv. 一滴一滴地drop by 順便拜訪drop behind 落…之後；落伍drop ball （足球比賽開始時(shí)的）爭(zhēng)球。drop back vt. 退後；落在後麪