oil mass

• 油量

oil mass的用法和样例：

例句

1. A pump that keeps a supply of oil on moving parts.
   保持移动部分的油量供给的。
2. Its domestic fields are said to be declining, spewing up less oil and more water.
   据说它在国内开采的油田正在萎缩，油量减少，水分增多。