短語詞組短語scraper conveyer chain 刮板輸送機(jī)chain scraper bar conveyer 拉鏈刮板輸送機(jī)chain -scraper conveyer 鏈板運(yùn)輸機(jī)chain and scraper conveyer 鏈?zhǔn)界P運(yùn)機(jī)water -sealed chain scraper bar conveyer 水封拉鏈機(jī)chain n scraper bar conveyer 拉鏈刮板輸送機(jī) 返回 scraper chain conveyer