A.40~50 B.30~40 C.20~30 D.10~20
A.5.0~7.0 B.7.0~9.0 C.9.0~11.0 D.11.0~13.0
A.氣水反沖加表面沖洗 B.單一氣沖洗 C.單一水沖洗 D.表面沖洗