1.States the latent hazardness of such hydrocarbons as acetylene in air separator, and presents the preventive measures in normal production.

1.阐述乙炔以及碳物在空分装置中具有的潜在危险性,并提出在正中的预防措施。

2.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.

2.介绍了电学工业整流装置波的种类,波的治理方法,滤波器的种类及其特点,滤波器方案的选择。