drop head 活頂；折疊式蓬頂；活頁式車廂頂蓋drop hammer [機(jī)] 落錘；鍛錘；打樁機(jī)drop from 從…落下；從…除去drop forging hammer [機(jī)械工程]落鍛錘drop forging 落錘鍛造；模鍛法，錘鍛法drop forge drop down 落下；順著向下移動(dòng)drop dead beautiful drop dead vi. 倒斃；去死吧！drop curtain drop crushing [能源科學(xué)技術(shù)]落錘破碎drop cloth n. 防塵布，（美）（裝修、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…之后；落伍drop ball （足球比賽開始時(shí)的）爭(zhēng)球。drop back vt. 退后；落在后面