发布时间:2025-01-29 21:21:20
钨针要磨尖,手要稳;钨针从喷嘴突出的长度,在4至5毫米左右;焊枪角度与工件成45度角;气的大小,要在5至8毫米之间;点焊电流要大一点;点完以后不要马上拿走,停留一会,焊点会很漂亮。
这张图的剖面线怎么画老师说是剖楼梯和阳台但是用天正时我就不知道该怎么剖了求大神教一下
2025-01-29 21:21:20 2025-01-29 21:21:20 2025-01-29 21:21:20 2025-01-29 21:21:20 2025-01-29 21:21:20 2025-01-29 21:21:20 2025-01-29 21:21:20 2025-01-29 21:21:20 2025-01-29 21:21:20 2025-01-29 21:21:20 2025-01-29 21:21:20 2025-01-29 21:21:20 2025-01-29 21:21:20 2025-01-29 21:21:20 2025-01-29 21:21:20 2025-01-29 21:21:20 2025-01-29 21:21:20nvc lighting47雷士照明花之恋系列客厅吸顶灯卧室灯3时尚唯美灯
2025-01-29 21:21:20 2025-01-29 21:21:20 2025-01-29 21:21:20 2025-01-29 21:21:20