回复 1#憨老马 4 [: ~4 V; ]( m) a; R( P, T6 n& H! ~* b0 _
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在网上看到这个: 3 W' R" ~) ~; Y5 P) DSMS fittings are named from Swedish Dairy Standard ( Svensk MeieriStandard ) ' P0 d/ D5 u0 o
There are a multitude of variants in pipe-clips and clamps and couplings and unions that is commonly used all over Europe. 7 | t6 s& C5 Q1 {5 O8 ?5 a - F5 d8 u! ^5 W2 GThere are several other standards, DS (Danish Standard) and the Germans have several DIN standards such as DIN 11851 & 11887 and probably many others.2 j4 M5 V( @9 X+ d