auger core
螺旋推运器轴
热门单词
- activated rosin flux
- activated petroleum coke
- activated sewage
- activated silica
- activated sintering
- activated silica gel
- activated silicate glass
- activated sludge
- activated sludge floc
- activated sludge plant
- activated sludge process
- activated sludge settling tank
- activated sludge system
- activated surface
- activated vitamin D
- activated-sludge effluent
- activated water
- activated zinc oxide
- activated-sludge process
- activating agent
- activated state
