In the process of 11 pump station work, CPP international division, kazakhstan region, as well as the pipeline bureau ha crude oil pipeline in the second phase of two-phase 11 pumping station EPC project department, enhance international p
日期:2022-04-11 15:15:56 点击:177
Reasonable selection of gear oil pump pipeline is very important, including: diameter, pipe diameter, in the same flow rate. The liquid flow speed is small, the resistance loss is small, but the price is high, the diameter of the pipeline
日期:2022-04-11 15:42:04 点击:106