什么时候地下室做防潮处理，什么时候做防水处理？
在常规输入中，自动左对齐的是（）。 ["数值","文字","日期","时间"]
全厂性管道跨越铁路、道路时应符合哪些规定？
锅炉水处理用耐酸管道设计的要求是什么？
A ship station on receiving a shore-to-ship distress alert should（）. ["keep silence","interfere with such communication","establish communication as directed and render such assistance as is required and appropriate","refuse communication as directed and render such assistance as it required and appropriate"]
全厂性沿管墩或管架敷设的管道，管底距地面净空高度是如何要求的？
