问题
单项选择题
弧门支铰位置一般高出下游校核洪水位()左右,约在门高的3/4处,以免水流或漂浮物冲击,或因过于靠近水面而使支铰冻结或被泥沙阻塞。
A、1.5m
B、1.0m
C、0.5m
D、2.0m
答案
参考答案:C
弧门支铰位置一般高出下游校核洪水位()左右,约在门高的3/4处,以免水流或漂浮物冲击,或因过于靠近水面而使支铰冻结或被泥沙阻塞。
A、1.5m
B、1.0m
C、0.5m
D、2.0m
参考答案:C
根据对话内容,从方框内选择合适的句子补全对话。 (有两项多余) | |
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