Dry-cleaners deal with many hazardous chemicals.
干洗工要跟很多危险的化学品打交道。
Spills of hazardous chemicals are also a concern during an earthquake.
危险化学物质的泄露也是一个值得关注的危险。
Development and Current Situation of Our Registration Administration of Hazardous Chemicals
我国危险化学品登记管理的历史沿革和现状
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