spray coating 喷涂

water feeder IM（中国）给水设备

water treated IM（中国）水处理设备

ventilation equipment IM（中国）通风设备

safety valve 安全阀

safety relief  valve安全泄放阀

safety device 安全装置

semispherical combustion chamber半球形燃烧室

Glass cotton玻璃棉

made-up water补给水