英语翻译消声弯管平面边长＞800mm,应设吸声导流片.消声器迎风面布质覆面层应有保护措施；以消声器内的覆面应为不易产生灰尘材料.检查产品合格证明文件和观察检查.调节风问结构应牢固,

Question

英语翻译
消声弯管平面边长＞800mm,应设吸声导流片.消声器迎风面布质覆面层应有保护措施；以消声器内的覆面应为不易产生灰尘材料.检查产品合格证明文件和观察检查.
调节风问结构应牢固,启闭灵活,法兰与管材一致；叶片搭接贴合一致,与阀体缝的风阀应实施分组调节.手动操作,观察和尺量检查
止回风阀启闭灵活,关闭严密；阀叶转轴、较链材料不易锈蚀；阀片最大负荷下不变形；有可靠平衡调节机构.检查产品合格证明文件,手动操作试验,观察和尺量检查

Answer 1

The noise elimination elbow piece plane length of side > 800mm,should suppose the sound absorption deflector.The silencer of the nature cloth covers the surface layer to be supposed against the wind to have the protective measures; Should as not be easy take the silencer in dress to produce the dust material.Inspection product certificate of conformity document and observation inspection.The adjustment wind asked the structure should be reliable,opens shuts nimbly,the flange is consistent with the tubing; The leaf blade joining fitting is consistent,should implement the grouping adjustment with the valve body seam wind valve.Manual operation,observation and measurement inspection stop the wind valve opens shuts nimbly,the closure is strict; The valve leaf revolution axis,compares chain material not Yi Xiushi; Under the valve piece biggest load does not distort; Has the reliable balance control element.Inspection product certificate of conformity document,manual operation experiment,observation and measurement inspection