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When replacing a thermostatic expansion valve sensing bulb, it is necessary to

单选题
2022-01-04 06:32
A、apply a light film of oil to increase heat transfer
B、apply a light film of oil to prevent oxidation
C、apply a heavy coating of grease to function as a heat sink
D、carefully coat the device with silicone sealant to reduce the effects of convective cooling
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正确答案
D

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