人工拌制砂浆时,应将规定量的砂子和水泥先______,再将定量的水、石灰膏______,待砂浆______,稠度合适即可。
参考答案:拌均匀;加入;颜色一致
To my disappointment, my parents didn't _______ up at the appointed hour.[ ]
A. wake
B. make
C. turn
D. build
备用电源不满足有压条件,AAT装置()。
A.均应动作
B.不应动作