The function of the following () parts is to help with oil return.

• A.Oil trap
• B.oil sight glass
• C.reverse bend
• D.liquid lens

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Regarding the description of the data center cooling system, the following ____________ is wrong.

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Huawei Monitoring System NETECO Support video real-time browsing.

• A.False
• B.True

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The computer room air conditioner is suitable for scenarios ____________ .

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R410A The moment the refrigerant is sprayed to the outside, it can freeze human skin and deep muscles in a very short time, and cause skin necrosis at the frostbite site.

• A.True
• B.False

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