[问答题] 简述梅毒的报告要求。

生产装置中灭火蒸汽管道的设置应符合哪些规定？ 地方债的发行，凭借的是（） ["地方政府权力","地方政府信用","地方经济实力","地方政府固有资产"] 力学性能中最主要和最基本的指标是什么？ why should the SES operators be very careful when the ship enters the area where three ocean regions overlap? Because（）. ["the weather over there is always terrible","the condition there is complicated","the signals are too strong","their SES may receive the signals from unwanted satellite"] 什么是体积分数、质量分数？两者的关系如何？ 简述梅毒的报告要求。