oil pumping

• 抽油,油品泵送

oil pumping的用法和样例：

例句

1. Oil rigs pumped on it and power lines zigzagged all over it.
   在这片土地上，牲畜在吃草，钻塔在抽油，输电线纵横交错，四通八达，货车在缓慢吃力地行驶。
2. A helical buckling of pumping rods has taken place in the course of downstroke of pumping.
   认为抽油杆在下行冲程中可能因失稳而在有限空间内发生螺旋状弯曲。