self-oil feeder

例句：

1. 1.The self-oil feeder is a critical component of the oil drilling process.
   自供油机是石油钻探过程的关键部件。
2. 2. The self-oil feeder system ensures that the drill bit remains cool and efficient during extended operations.
   自供油系统确保钻头在长时间作业中保持冷却和高效。
3. 3. The self-oil feeder was designed to prevent contamination of the drilling fluid with foreign materials.
   自供油器被设计来防止钻井液受到外来物质的污染。