reference period वाक्य
"reference period" हिंदी में reference period in a sentenceउदाहरण वाक्य
- The directive defines "'occupational exposure limit value "'as " the limit of the time-weighted average of the concentration of a chemical agent in the air within the breathing zone of a worker over a specified reference period . " Article 3 of the directive led to the creation of the Scientific Committee on Occupational Exposure Limit Values to advise the European Commission.