关于物理因素阈限值的说明物理因素阈限值（ＴＬＶｓ）是指在这一接触水平时，确信几乎所有工人在反复接触情况下，对健康无不良的影响。但由于个体易感性差异很大，在偶然接触甚至低于这一ＴＬＶ值水平时，也不能防止不适、原有疾病加重及生理性损害的发生。由于遗传因素... Description of Thresholds for Physical Factors Physical Thresholds (TLVs) mean that at this level of exposure, it is believed that almost all workers have no adverse health effects in the event of repeated exposure. However, due to the large differences in individual susceptibility, accidental exposure even below the TLV level, it can not prevent discomfort, the original disease and physiological damage. Due to genetic factors ...