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。
2
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.