Gas from entering the spiral cavity suction tank by compression and exhaust through the exhaustorifice discharge cavity.
气体由吸气腔进入螺槽内，经压缩后通过排气孔口和排气腔排出。
2
Gas (working fluid) from entering the spiral cavity suction tank by compression and exhaust through the exhaustorifice discharge cavity.
气体(工质)由吸气腔进入螺槽内，经压缩后通过排气孔口和排气腔排出。
3
Compressor working chamber is not interlink with the suction, exhaustorifice at the same time, without setting suction, exhaust valve, in this regard to reduce the intake, exhaust losses.