knitting machine oil

例句：

1. 1.The knitting machine needs to be lubricated regularly to ensure smooth operation.
   针织机需要定期润滑，以保证顺畅运行。
2. 2.The knitting machine oil is essential for maintaining the machine's performance and lifespan.
   针织机油对于保持机器的性能和寿命至关重要。
3. 3.To prevent the machine from overheating, it's important to check the needles and clean the knitting machine oil regularly.
   为了预防机器过热，定期检查针并清洁针织机油是很重要的。