发布时间:2025-01-17 23:15:51
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。
hbada 黑白调 hdny180 布艺办公椅电脑椅 灰色带脚托详细介绍
2025-01-17 23:15:51 2025-01-17 23:15:51 2025-01-17 23:15:51 2025-01-17 23:15:51 2025-01-17 23:15:51 2025-01-17 23:15:51 2025-01-17 23:15:51 2025-01-17 23:15:51 2025-01-17 23:15:51 2025-01-17 23:15:51 2025-01-17 23:15:51 2025-01-17 23:15:51 2025-01-17 23:15:51 2025-01-17 23:15:51 2025-01-17 23:15:51 2025-01-17 23:15:51 2025-01-17 23:15:51 2025-01-17 23:15:51 2025-01-17 23:15:51准备休整门前的院子院子长40米如果将96立方米的碎砖铺平院中碎砖厚03米这个院子宽多少米
2025-01-17 23:15:51 2025-01-17 23:15:51 2025-01-17 23:15:51 2025-01-17 23:15:51 2025-01-17 23:15:51 2025-01-17 23:15:51 2025-01-17 23:15:51 2025-01-17 23:15:51