• The basis for bring room air conditioners into scope of pressure safety management of unitary air conditioners was provided.

    并阐述了房间空调器纳入单元式空调机压力安全管理依据

    youdao

  • The basis for bring room air conditioners into scope of pressure safety management of unitary air conditioners was provided.

    并阐述了房间空调器纳入单元式空调机压力安全管理依据

    youdao

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