发布时间:2025-02-09 18:37:20
焊接电流大时--焊把线就相对要粗些,焊接电流乘以0.2---0.35左右为焊接电缆平方数,(只是大概数字)要买焊机和线请找唐山嘉华机电0315-2877199
顶楼晴天渗水,下雨当时不漏,如何在房顶找渗入点或者如何告诉物业维修
2025-02-09 18:37:21 2025-02-09 18:37:21 2025-02-09 18:37:21 2025-02-09 18:37:21 2025-02-09 18:37:21 2025-02-09 18:37:21 2025-02-09 18:37:21 2025-02-09 18:37:21 2025-02-09 18:37:21