词汇	small deep hole
释义	small deep hole 小深孔
随便看	water sealed drainage bottle water-sealed drainage bottle water-sealed equipment water sealed explosion door water sealed gasholder water-sealed gasholder water sealed gas holder water-sealed gas holder water-sealed gas-holder water sealed gas meter water sealed gas producer water-sealed gas producer water sealed gland water-sealed gland water-sealed holder water sealed joint water-sealed joint water-sealed oil tank water sealed packing water-sealed packing water sealed producer water-sealed retaining wall water sealed rotary gas meter water-sealed rotary gas meter water-sealed seam