States the latent hazardness of such hydrocarbons as acetylene in air separator, and presents the preventive measures in normal production.
阐述乙炔以及碳氢化合物在空分装置中具有的潜在危险性，并提出在正常生产中的预防措施。
The comprehensive disposal of plastic package waste not only can avoid the various hazardness, but also can turn the waste into treasure which is reused resources and other raw material.
对塑料包装废弃物进行综合治理，不仅可以避免上述危害，而且还能“变废为宝”，转化为可以利用的资源和其他原材料。
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