水冷壁有几种类型?
参考答案:
光管水冷壁、膜式水冷壁、刺管水冷壁。
We should do exercise as _______ as possible to keep _______.
A.more; healthy
B.much; health
C.more; health
D.much; healthy
ZXSM600(V2)设备在实际应用中,可以作为:().
A.只能作STM1级别应用
B.只能作STM4级别应用
C.STM1级别应用和STM4级别应用。