| 1. | Radon concentration level in the pits of 24 coal mines in zaozhuang mining area
枣庄矿区24所煤矿井下氡浓度水平 |
| 2. | Keep the average carbon monoxide concentration level inside the tunnel at all times
控制隧道内一氧化碳的平均浓度 |
| 3. | However , the coneg model legislation also provides exceptions to these concentration levels
但是,法律还规定示范coneg这些例外浓度 |
| 4. | Investigation on the concentration level of radon in the tunnel workplace in a hydropower station
水电站隧道作业场所空气氡浓度水平调查 |
| 5. | An empirical study on the measure of industry concentration level of petroleum - gas industry in western china
中国西部地区石油天然气产业集聚水平测度的实证研究 |
| 6. | In this regard , our annual average concentration level of rsp is comparable to those of the more polluted cities but not among the worst
在这方面，我们的可吸入悬浮粒子含量水平，以全年平均计，与其他染情况较为严重的城市相若，但不在最差之列。 |
| 7. | The findings indicated that the concentration level of airborne bacteria in these markets , particularly in the live poultry stalls , was higher than that in offices and public places
测试结果显示上述街市内（尤其是活家禽档区）空气所含细菌量较一般办公室及公众场所为高。 |
| 8. | Maintaining adequate volume of residual chlorine maintenance of transmission disinfection and the concentration level , meeting water quality standard , is not harmful to humans
自来水中保持适量之馀氯量，可使在输送过程中具持续的消毒能力符合水质标准的馀氯浓度，对人体无害。 |
| 9. | In specified range , the accuracy should be evaluated using at least 9 testing results of the sample , 3 testing solutions of each concentration level ( 3 different concentration levels in all ) are prepared and measured
在方法范围内，至少用9次测定结果进行评价，如制备3个不同浓度级别的样品，各测定3次。 |
