The abrasion-resistant and rustproof sleeve is the only part exposed to the chain and the process, which results in a long service life minimal maintenance requirements.
这种耐研磨和不生锈套管是阀门中唯一与锚链接触的部件，因此阀门的使用寿命就更长，对维护的需求也更少。
This cutting fluid has good rustproof, fast cooling, lubricity, easy cleaning and long life period (100 days), doesn't irritate the skin, is environment protection products.
该切削液具有良好的防锈性、冷却性、润滑性、清洗性，且它的使用周期长(100天)，不刺激皮肤，属于环保型切削液产品。
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