• The request while monitors PC-TWA, changes the bigger operating location to the density, carries on the monitor appraisal.

    要求监测PC-TWA 的同时,浓度变化较大工作地点进行监测评价

    youdao

  • PC - STEL is with the PC-TWA necessary one kind of short time contact limiting value, must conform to the contact limiting value which the formulation contact limiting value or calculates.

    STELPC - TWA配套的时间接触限值,必须符合制定接触限值推算出的接触限值。

    youdao

  • PC - STEL is with the PC-TWA necessary one kind of short time contact limiting value, must conform to the contact limiting value which the formulation contact limiting value or calculates.

    STELPC - TWA配套的时间接触限值,必须符合制定接触限值推算出的接触限值。

    youdao

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