grease rings 中文意思是什麼
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Stuffing box ? optional lantern rings and grease injectors are available
填料函-可配置備選燈籠環和潤滑油注射器。 -
O - rings should be cleaned or replaced as necessary and lightly greased with the fda approved silicon grease which is also furnished with the service kit
如果必要的話， o形環應該清洗或更換，並用隨維修組件提供的通過美國食品及藥物管理局（ fda ）認證的硅潤滑油進行輕微的潤滑。
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