外部链接:
英德
有道
百度
谷歌
图片
维基
百科
upper clearance
上部净空
upper clearance
upper cloud
upper cloud point
upper clutch
upper coil
upper cold front
upper colonnade
upper column
upper communication a...
upper conductor
upper cone of whirl
upper confining bed
upper connecting rod
upper consolute tempe...
upper contact
upper control
upper control arm
upper control limit
upper cord
upper cord bracing
upper cord member
upper core plate
upper core support ba...
upper corner
upper couch (roll)
upper course
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
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