其他 返回
天气预报 > 其他 > 250电焊机焊线多长合适
250电焊机焊线多长合适
更新时间： 2020-11-09 00:00:00  

1、如果250电焊机额定负载率≥60%，可以使用国标35平方毫米焊把线，或非标50平方毫米焊把线，必须是地线。长度不超过8米。

2、如果250电焊机额定负载率

关键词： 电焊机 合适

250电焊机焊线多长合适相关经验

天气预报

最新推荐

页面:/news/view-836776/ | 耗时:0.9842 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=836776 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=836776 LIMIT 0,1
select * from tbl_Articles_sphinx where id=836776 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(327960,1099033,1107440,423977,451759,120644,483215,120169,641440,197390,1127793,2480047,608900,218222,401572,1125095,767426,660300,584550,792185,613083,2641330,229110,681868,210433,400193,286093,1092374,242605,144817) ORDER BY field (ArticleID,327960,1099033,1107440,423977,451759,120644,483215,120169,641440,197390,1127793,2480047,608900,218222,401572,1125095,767426,660300,584550,792185,613083,2641330,229110,681868,210433,400193,286093,1092374,242605,144817)