petroleum pipe line

• 输油管

petroleum pipe line的用法和样例：

例句

1. Most of the petroleum delivering pipe-line jetties running across wilderness are bare or grassless.In annual rainy season, precipitation washes heavily away pipe-line jetties soil.
   穿越荒原上的输油管堤，多为盐碱化的光堤或少草堤，每年雨季管堤的土壤大量流失。