paraffin removal

• 清蜡,除蜡

paraffin removal的用法和样例：

例句

1. Its application proves that it can prolong the paraffin removing period and reduce the well-flushing times with an apparent economic benefit.
   通过实践证明，该种清防蜡剂可延长清蜡周期，减少洗井次数，经济效益显著，值得广泛推广。