密封胶芯 packing unit
环形胶芯 [油气] annuler rubber core
刨花板芯胶合板 particle board core plywood
海绵胶芯 sponge rubber core
铅芯橡胶支座 LRB ; Lead rubber bearing ; lead core rubber bearings ; Lead-plug Rubber Bearing
铜芯橡胶绝缘电线 rubber-insulated copper wire ; rubber-insulated copper cable
钢丝绳芯胶带 steel cord belt ; steel cable belt
芯块胶合板 [木] block board
单板芯胶合板 veneer core plywood
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