air flow regulating damper 气流调节风门; 钯触媒; 钯催化剂 收藏 arrival flow rate 到达率 收藏 .
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Damper: both gas flow regulating button and wind board are high grade PP material, connected with 304 stainless steel bar, manually adjust the outside valve knob, control air flow.
气流调节阀：气流调节扭与挡风板均为高密度PP材质，用304不锈钢方棒连接，手动调节外部阀门旋钮，控制气流量。
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