1/2 3/4 是英制,转为公制:
按一英寸计算的
25.4mm =1英寸
将1’分为8份,
1分即为管径1/825.4mm =6
2分即管径为2/825.4 mm =8
3分即管径为3/825.4MM =10
4分即管径为4/825.4 mm =15
6分即管径为6/825.4mm =20
1寸 =25
通常指的是内径
1/2 3/4 是英制,转为公制:
按一英寸计算的
25.4mm =1英寸
将1’分为8份,
1分即为管径1/825.4mm =6
2分即管径为2/825.4 mm =8
3分即管径为3/825.4MM =10
4分即管径为4/825.4 mm =15
6分即管径为6/825.4mm =20
1寸 =25
通常指的是内径