Garlock oil seal

例句：

1. 1. The engineer used a Garlock oil seal to ensure the safety ofthe machinery.
   工程师使用一个Garlock油封来确保机械设备的安全。
2. 2. The garagedoor was sealed with aGarlock oil seal to preventdust from entering.
   车库门被一个Garlock油封密封，以防止灰尘进入。
3. 3. The technician replacedthe old Garlock oil sealwith a new one to improve thesealing performance.
   技术人员用一个新的Garlock油封替换了旧的，以提高密封性能。