倾斜牙作固定桥基牙的最大倾斜度不应超过
A.5° B.30° C.45° D.90° E.135°
参考答案:B
I don’t know if it _____. You’ll get wet if it ____. You’d better take an umbrella.
A.will rain; will rain
B.rain; will rain
C.will rain; rains
D.rains; rains
冰机停车后,乙二醇泵也自动停车。