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Terms for subject Refrigeration containing 密封 | all forms | in specified order only
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密封airtightness
密封liquid sealant
密封垫圈joint ring
密封垫型针刺阀gasket-type piercing valve
密封gland body
密封liquid sealant
密封leaktight
密封要求sealing requirement
密封垫阀门glandless valve
曲轴密封crankshaft seal
密封air-tight seal
密封oil tight
结构密封structural barrier
胶质密封composition gasket
膜片密封渗漏损失diaphragm packing leakage loss
自动密封式快速接头self-seal type quick-joint
薄膜密封membrane barrier
转轴密封rotary shaft seal
密封door gasket
食品的密封杀菌保存appertization