Sefa

基本解释

Xuan Sefa has the advantage of being simple, small space, has been installed, rotary hoist only 90 degrees.
旋塞阀的优点在于结构简单，占用空间小，已安装，启闭只需旋转90度。
If Xuan Sefa series, balance valve series, Y-valve series and alumina exclusive series.
如旋塞阀系列、平衡阀系列、Y型阀系列以及氧化铝专用系列。
Straight-through processing Xuan Sefa mainly used to do cut off, three-and four-way-to medium allocated for the distribution of traffic.
直通式旋塞阀主要做切断用，三通式和四通式用于分配用于分配介质流量。
Objective To analyze the various complications caused by fracture treatment with single external fixation apparatus(SEFA) and provide corresponding treatments.
目的对外固定治疗四肢骨折出现的并发症进行分析,提出防治措施。
Various types of valves: ball valves, valve plates, valve, closing valves, check valves, Xuan Sefa, Gemo Fa, and so on. It's the main material: stainless steel, cast steel two.
阀门种类多样：球阀，碟阀，闸阀，截止阀，止回阀，旋塞阀，隔膜阀等。它的材质方主要分：不锈钢，铸钢两种。