常見例句雙語例句Able to supply the low calorific valve fuel, low gas pressure & light oil (Heavy oil)dual fuel burners and oil & gas mixing combustion burner.可提供低熱值、低壓力燃?xì)廨p（重）油兩用機(jī)以及油氣混燒燃燒器； 返回 gas mixing valve