短語詞組短語oil and gas pipeline 油氣管道;石油和天然氣管道Oil & gas pipeline 油氣管道oil an gas pipeline 油氣管道oil and gas pipeline network 油氣管網(wǎng)oil and gas pipeline networks 油氣管網(wǎng)subsea oil and gas pipeline 海底油氣管道China oil and gas pipeline 油氣管道oil and gas pipeline construction 頂管穿越 返回 oil gas pipeline