问题
单项选择题
注浆控制中关于注浆状况控制包括注浆压力控制与()控制。
A.注浆材料
B.注浆方法
C.注浆时间
D.注浆量
答案
参考答案:D
解析:
注浆量与注浆压力
注浆控制分为压力控制与注浆量控制两种。压力控制是保持设定压力不变,注浆量变化的方法。注浆量控制是注浆量一定,压力变化的方法。一般仅采用一种控制方法都不充分,应同时进行压力和注浆量控制。
注浆控制中关于注浆状况控制包括注浆压力控制与()控制。
A.注浆材料
B.注浆方法
C.注浆时间
D.注浆量
参考答案:D
解析:
注浆量与注浆压力
注浆控制分为压力控制与注浆量控制两种。压力控制是保持设定压力不变,注浆量变化的方法。注浆量控制是注浆量一定,压力变化的方法。一般仅采用一种控制方法都不充分,应同时进行压力和注浆量控制。
完形填空。 | ||||
Look! The bus 1 at a small bus stop. A man 2 out of the window. He sees a woman. She is selling 3 . The man wants 4 a cake. But he doesn't want to go out because it is raining. The man sees a boy. The boy is 5 the window. "Come here, boy," the man says. "Do you know 6 the cake is?" "Twenty fen," the boy says. The man 7 the boy forty fen and asks him to buy two cakes. "One is for you and the other is for me," he says to the boy. After 8 minutes, the boy comes back. He 9 a cake. He gives the man twenty fen and says, "Sorry, there 10 only one cake left." | ||||
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