maximum permissible levels

例句：

1. 1.The manufacturer has set maximum permissible levels for the product.
   制造商已经为该产品设定了最大允许水平。
2. 2. The safety standards have been raised to ensure maximum permissible levels of exposure.
   安全标准已被提高，以确保暴露量达到最大允许水平。
3. 3.The company is committed to meeting the maximum permissible levels of environmental protection standards.
   公司致力于达到环境保护标准的最严格要求。