oil recovery的用法和样例：
例句
- The recovery of embedded viruses remains to be demonstrated.
对被包埋病毒的回收仍留待证明。 - The altimeter functioned well, effectively firing the two-stage recovery charges.
高度表运作良好，有效地发射了两个阶段的回收费用。 - Being improved, the recovery speed and efficiency of the weir skimmer are increased markedly.
改进后的撇油器溢油回收的效率大幅提高。
