外部链接:
英德
有道
百度
谷歌
图片
维基
百科
tough factor
韧性系数
tough factor
tough fracture
tough guy
tough hardness
tough index
tough iron
tough it out
tough lead
tough love
tough luck
tough metal
tough nut
tough outer covering ...
tough pitch
tough pitch copper
tough plastic clay
tough rubber sheathed...
tough steel
tough string test (...
tough test
tough toughness
tough turf
tough value
tough(copper) cake
tough-minded
tough-policy
tough-rubber sheath
tough-rubber sheathed...
toughen
toughen up
toughened
toughened caustic
toughened glass
toughened glass insul...
toughened glass suspe...
toughened paper
toughened plastic
toughened polystyrene...
toughened safety glass
toughened safety glas...
toughened silver nitrate
toughened water gauge...
toughened zirconia ce...
toughener
toughening
toughening agent
toughening fragil veneer
toughening furnace
toughening rubber
toughening treatment
tougher
toughest
toughie
toughish
toughly
toughminded
toughness
toughness factor
toughness index
toughness number
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