hazardness

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中具有的潜在危险性,并提出在正常生产中的预防措施。

After analysis and determination on harmonic wave from rectification units operation, and understood hazardness of harmonic wave, the design project of harness was put forward.

介绍了电化工业整流产生谐波的种类,谐波的治理方法,波器的种类及其,波器方案的选择。