发布时间:2025-01-29 17:53:17
滑动支架:只限制管道Z轴(垂直方向)位移的支架,起承重作用;
固定支架:不但限制管道Z轴位移,而且限制管道X/Y轴位移的管道支架。
能率燃气热水器点火正常出热水但过一会儿就不出热水出现12并闪烁
2025-01-29 17:53:17 2025-01-29 17:53:17 2025-01-29 17:53:17 2025-01-29 17:53:17 2025-01-29 17:53:17 2025-01-29 17:53:17 2025-01-29 17:53:17 2025-01-29 17:53:17 2025-01-29 17:53:17 2025-01-29 17:53:17 2025-01-29 17:53:17 2025-01-29 17:53:17 2025-01-29 17:53:17 2025-01-29 17:53:17 2025-01-29 17:53:17 2025-01-29 17:53:17设计高程是不是标高啊不是的话请详细说一下设计高程的含义和作用谢谢
2025-01-29 17:53:17 2025-01-29 17:53:17 2025-01-29 17:53:17 2025-01-29 17:53:17