外部链接:
英德
有道
百度
谷歌
图片
维基
百科
upper cover
上层覆盖
上盖
upper cover
upper cover plate
upper crankcase
Upper Cretaceous
upper Cretaceous series
upper critical
upper critical coolin...
upper critical coolin...
upper critical field
upper critical soluti...
upper critical temper...
upper crosstie
upper crown wheel
upper crown-length
upper crust
upper culmination
upper curtate
upper curve
upper cut
upper cut-off frequency
upper cyclone
upper cylinder
upper cylinder bore wear
upper cylinder half
upper cylinder lubric...
upper dead center
upper dead point
upper decision line
upper deck
upper deck (双层公...
upper deck carline
upper deck charge
upper deck eaves molding
upper deck of bridge
upper decking level
upper dee
upper density
upper dental arch
upper derivate
upper derivative
upper derived function
upper deviation
Upper Devonian
upper Devonion series
upper die
upper die plate
upper differential co...
upper dimension bound
upper discharge
upper division college
upper division student
upper door sash
upper drum
upper drum assembly
upper ease
upper east side
upper edge
Upper Egypt
upper elastic limit
upper elevator screw ...
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