spray coating 噴涂

water feeder 鍋爐給水設備

water treated 鍋爐水處理設備

ventilation equipment 鍋爐通風設備

safety valve 安全閥

safety relief  valve安全泄放閥

safety device 安全裝置

semispherical combustion chamber半球形燃燒室

Glass cotton玻璃棉

made-up water補給水