A.車統(tǒng)一19 B.車統(tǒng)一18 C.車統(tǒng)一17 D.車統(tǒng)—16
A.200---400mm B.250---400mm C.250---300mm D.250---380mm
A.三通閥 B.控制閥 C.傳感閥 D.安全閥