A.9307 B.8248 C.843.74 D.287.9
A.267.13 B.319.23 C.7.91 D.21.4
A.10bar管網(wǎng) B.中壓閃蒸氣 C.低壓閃蒸氣 D.脫水后高壓原料氣降壓后的天然氣