A.5s B.10s C.15s D.20s
A.17600kPa±490kPa B.18600kPa±490kPa C.19600kPa±490kPa D.20600kPa±490kPa
A.油束 B.水束 C.氣束 D.可燃氣束
微信掃一掃關(guān)注公眾號后聯(lián)系客服
微信掃碼免費搜題
