And it can change cutting length follow to different size of fire damper optionally.
并且可以根据阀体的大小，随意调节叶片长度，定尺切断。
Influence of dry powder fire extinguishing agent size on inhibitory performance.
干粉灭火剂粒度对抑爆性能的影响。
Influence of dry powder fire extinguishing agent size on inhibitory performance.
干粉灭火剂粒度对抑爆性能的影响。
应用推荐