单词	powder hopper
释义	powder hopper 粉末加料斗
随便看	underwater blowout preventer stack underwater body under water body under-water body underwater breathing apparatus underwater breathing tube underwater brushable coating underwater brushable paint underwater bulldozer underwater buoyant bridge underwater burst underwater burying machine underwater cable underwater camera underwater camera lens underwater cartridge chopper underwater cinematography underwater cleaning underwater coating underwater colonic irrigation underwater communication underwater communications system underwater communication system underwater completion under water concrete gyhd gyhg gyhl gyjb gyjf gyjj gyjl gyjt gykf gykr 11248 11249 11250 11251 11252 11253 31076 31077 31078 31079