H42H立式止回阀中的H42H分别是什么…

2017-07-19 10:11

阀门--常用英文简写

2015-09-19 15:16

阀门常用材料对照表

2015-09-19 14:42

H44H-10C-DN500,H44H-16C-DN500,H4…

2014-05-13 16:54

H41H、H41W、H41Y升降式止回阀，铸…

2014-04-18 15:15

H44W,H44H,H44Y,不锈钢止回阀、H44…

2014-03-14 09:48

H44h,h44h,H44H止回阀,旋启式止回…

2014-03-03 15:19

H42H-16C-DN200,H42H立式止回阀,型…

2014-02-22 11:04

HH44H,HH44H、HH44Y，微阻缓闭止回…

2013-12-06 16:09

J11H、J11Y、J41H、J41Y、J61H、J6…

2013-09-13 18:15

J13W、J13H、J23W、J23H、J63Y、J2…

2013-09-13 17:48

H41H、H41Y、H61H(Y)升降式止回阀,…

2013-08-23 22:07

DK/J41H、NK/J41H真空截止阀,DS/J4…

2013-08-15 16:01

H41H与H42H最大的不同是什么?

2013-08-13 22:05