密封圈

sealing washer【机】;seal ring【机】;sealing ring【机】

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相关词条

edge sealing

sealing compound

slide ring sealing (slide ring packing)

sealing strip (packing cord)

SEALING -plugs for containment vessels of nuclear reactors

heat-sealing

sealing machine

plug with inflatable sleeve for the sealing of boreholes or wells