短语词组短語back -coating 佈背塗佈foam Back -coating 發泡背襯塗層Epoxy back -coating 環氧背麪漆Back Suction Coating Gun 反抽式塗佈槍satin -back coating 緞背花呢Back coating slurry 背層漿Durability of back coating 塗層牢度coated back coating cb 塗料 返回 back coating