查询词典 back down

Back gear：背轮

back freight 回运货物运费(抵港后无法交货 | back gear 背轮 | back ground noise level 背景噪音电平

Back gear：倒挡齿轮

back gear shaft 背齿轮轴 | back gear 倒挡齿轮 | back geared motor 带减速齿轮的电动机

back gear shaft：背齿轮轴

back flap hinge 明铰链 | back gear shaft 背齿轮轴 | back gear 倒挡齿轮

back gear ratio：倒擋轉速比

"倒退齿轮,倒挡齿轮,后列齿轮","back gear" | "倒挡转速比","back gear ratio" | "后导板","back guide"

back goods freight：退货费用,退货运费

back gluer 书脊上胶机,胶背机 | back goods freight 退货费用,退货运费 | back gouging 刨焊根,背刨

back goods freight：退货运费

back goods 退货 | back goods freight 退货运费 | back letter 保函

back line：回头缆

back lighting 背面照明 | back line 回头缆 | back lobe 后瓣

back line：背线

\\"背脂\\",\\"back fat\\" | \\"背线\\",\\"back line\\" | \\"回复突变\\",\\"back mutation,reverse mutation\\"

center back line：后中线

center back fold 后中对折 | center back line 后中线 | center back neck point to waist 后颈点至腰

center back line：后中心线

后中缝 back center seam | 后中心线 center back line | 背缝线 center back seam line

payoff：回报

障碍期权(Barrier Options)是指期权的回报(Payoff)依赖于标的资产的价格在一段特定时间内是否达到了某个特定的水平(临界值),这个临界值就叫做"障碍"水平.

to do one's hair in knot：挽髻

fringe流海 | to do one's hair in knot.挽髻 | to undo one's knot 解髻