发布时间:2025-01-23 15:01:25
薄板电焊采用下坡焊焊接,变形小,熔深浅,另外对口间隙要小,不太建议电流过小,
电流过小则熔池停留时间过长,加快焊速,焊脚不宜宽。
商品房毛坯竣工验收才能精装修单位进场施工,这一条规定查哪个规范
2025-01-23 15:01:25 2025-01-23 15:01:25 2025-01-23 15:01:25 2025-01-23 15:01:25 2025-01-23 15:01:25 2025-01-23 15:01:25 2025-01-23 15:01:25 2025-01-23 15:01:25 2025-01-23 15:01:25