Mechanical seal: seal face, gasket and shaft seal, etc parts must be undamaged, otherwise will result in over leakage, sure to change parts with wear and tear or damage.
机械密封：密封面、密封垫及轴封等元件必须完好，否则将导致过度泄漏，对有磨损或损伤的元件必须更换。
Be careful not to damage the sealing gasket.
小心，不要损坏密封垫片。
Be careful not to damage the sealing gasket.
小心，不要损坏密封垫片。
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