问题
单项选择题
容器贯通试压时试验压力应()。
A、大于安全阀起跳压力
B、小于安全阀起跳压力
C、等于安全阀起跳压力
D、等于泵出口最大压力
答案
参考答案:B
容器贯通试压时试验压力应()。
A、大于安全阀起跳压力
B、小于安全阀起跳压力
C、等于安全阀起跳压力
D、等于泵出口最大压力
参考答案:B
补全对话。从方框中选出适当的句子,完成对话。 | |
M:Hi Mary! 1. ____________ W:Hi,Jack !I am going to the beach with some friends. 2. ____________ M:Yeah,that sounds fun. Which beach are you going to? W:We are thinking about driving north to Radcliff Beach in Queensland. I like driving, and 3. ____________ M:That sounds great! 4. ____________ W:Well, we're setting off at about six o'clock on Friday. M:Great. 5. ____________ W:Meet on Friday in front of my garden. M:OK, 6. ____________ Bye.
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