The greater the degree of exposure to silica and increasing length of exposure determine the amount of silicotic nodule formation and the degree of restrictive lung disease.
The greater the degree of exposure to silica and increasing length of exposure determine the amount of silicotic nodule formation and the degree of restrictive lung disease.
暴露于二氧化硅的强度越大，暴露时间越长，决定了矽肺结节的数目及肺疾病的发展。