小窍门系列08 如何保养卧式千斤顶 Tips and tricks 08 How to service floor jack

卧式千斤顶是我们平时DIY时的必备工具，也跟安全息息相关，但我们常常对它疏于维护。今天我们来介绍如何养护卧式千斤顶，以避免不必要的彻底损坏。
Floor jack is one of the must-have tools in DIY, and closely related to safety. However, oftentimes, the service of floor jack is neglected. In this episode, we introduced how to service floor jack before it completely fails.
Hydraulic jack oil:
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