发布时间:2025-02-06 17:11:35
朝下。暖气片的罩子上面罩字朝下。
一般都是朝下的,这样气流不至于短路。开口一般在15度到30度,这样从外面看不明显,如果角度过大,就能看到缝隙,一般物业会干预。
网购一支h型莹光灯管没镇流器一端平排四针脚也无灯坐无电源接法内行的请提供接电电路四针怎样连
2025-02-06 17:11:35 2025-02-06 17:11:35 2025-02-06 17:11:35 2025-02-06 17:11:35 2025-02-06 17:11:35 2025-02-06 17:11:35 2025-02-06 17:11:35 2025-02-06 17:11:35 2025-02-06 17:11:35 2025-02-06 17:11:35 2025-02-06 17:11:35 2025-02-06 17:11:35 2025-02-06 17:11:35 2025-02-06 17:11:35 2025-02-06 17:11:35 2025-02-06 17:11:35 2025-02-06 17:11:35 2025-02-06 17:11:35 2025-02-06 17:11:35 2025-02-06 17:11:35 2025-02-06 17:11:35 2025-02-06 17:11:35 2025-02-06 17:11:35 2025-02-06 17:11:35 2025-02-06 17:11:35 2025-02-06 17:11:35