R 開頭單詞

roll gap setter [經(jīng)濟(jì)學(xué)]輥縫調(diào)整器

roll gap indicator [機(jī)械工程]輥縫指示器[經(jīng)濟(jì)學(xué)]輥縫指示器

roll gap 軋輥開度；輥間距離

roll forming 滾軋成形；成形軋制

roll former n. 輥軋成形機(jī)

roll formed shape n. 冷彎型鋼

roll forging [機(jī)] 滾鍛

roll film process camera [經(jīng)濟(jì)學(xué)]卷筒軟片版照相機(jī)

roll film camera [經(jīng)濟(jì)學(xué)]卷片照相機(jī)

roll film [感光] 膠卷

roll end 卷筒蓋紙；軋輥耑頭

roll down 滾下

roll crusher 破碎機(jī)；滾碎機(jī)

roll collar 輥脊，輥環(huán)

roll camber 輥型

roll calls

roll call (n.)

roll call 點(diǎn)名；名單；登記表

roll by 流逝；駛過

roll bounce [機(jī)械工程]黑輪五虎將