除尘器骨架是使用高频焊机一次焊接骨架成型。
Precipitator skeleton is using high frequency welding welding skeleton molding once.
介绍了螺旋翅片管高频焊接工艺及其成型基本原理。
The high frequency welding procedure and its forming fundamental of spiral fin pipe is introduced.
用植绒PV C料经高频热压成型，倒阀门气嘴，具有双层防漏气渗气功能。
PVC flocking materials used by high-frequency hot press molding, gas valve back up, with both gas permeability and gas leak-proof function.
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