R 開(kāi)頭單詞

ratchets n.棘輪；棘齒v.（使）漸進(jìn)=rachet.

ratcheting n.棘輪效應(yīng)動(dòng)詞ratchet的現(xiàn)在分詞.

ratcheted n.棘輪；棘齒v.（使）漸進(jìn)=rachet.

ratchetdriver n.棘輪傳動(dòng)裝置

ratchet-wheel gear [能源科學(xué)技術(shù)]棘輪裝置

ratchet-wheel n.棘輪

ratchet-mouth n.喋喋不休的人

ratchet-feed 棘輪進(jìn)給

ratchet-effect theory [物理學(xué)]棘輪效應(yīng)理論棘輪效應(yīng)論

ratchet-driver n.棘輪傳動(dòng)裝置

ratchet-and-pawl 棘輪和掣爪

ratchet wheel effect [經(jīng)濟(jì)學(xué)]棘輪效應(yīng)

ratchet wheel n. [機(jī)] 棘輪

ratchet up 逐漸升高；略微調(diào)高

ratchet teeth [機(jī)械工程]棘輪齒

ratchet screwdriver 棘輪螺絲刀；[機(jī)] 棘輪旋鑿

ratchet roller clutch [經(jīng)濟(jì)學(xué)]棘輪滾筒離合器

ratchet ring spanner [經(jīng)濟(jì)學(xué)]棘輪梅花扳手

ratchet purchase [交通運(yùn)輸工程]棘齒起重設(shè)備

ratchet effect theory [物理學(xué)]棘輪效應(yīng)理論棘輪效應(yīng)論