Brother Yong Said Hydropower

线头太短不好缠胶布,从装修电工那偷学一招,太好用了 Brother Yong said hydropower 419 4 месяца назад
焊接PPR水管,只要掌握这个技巧,新手水工也能做到横平竖直 Brother Yong said hydropower 25 4 месяца назад
4分、6分水管DN、De为多少?又是多少英寸?作为水暖工的你知道吗 Brother Yong said hydropower 84 7 месяцев назад
线盒有6根电线,可双联开关只有3个接线柱,该怎么去接线 Brother Yong said hydropower 93 4 месяца назад
工地水工常用的水管配件,去看一下会使用吗,你都认识多少 Brother Yong said hydropower 72 2 месяца назад
新手电工不会查电路故障,学会这四句电工口诀,轻松查找电路故障 Brother Yong said hydropower 210 10 месяцев назад
手机充完电后每次都要拔插头太麻烦了,教你一招,再不用拔插头 Brother Yong said hydropower 42 9 месяцев назад
带电接线和拆线,这才是正确的操作手法,值得新手电工去收藏学习 Brother Yong said hydropower 483 7 месяцев назад