scum valves的意思|示意
美 / /
英 / /
上排污阀
scum valves相关短语
1、 Scum Gate Valves 排渣闸阀,排渣,磁耦合截止阀
2、 Blow-off and scum valves 下排污阀,上
3、 Imported Scum Gate Valves 进口排污闸阀