the function and reliability of j453f low-pressure die casting machine is improved by technique reconstruction of loose core framework and pressurizing system .
通过对j45 3f型低压铸造机抽芯机构、液面加压系统进行改进设计,使其功能增强,性能更可靠。
the invention discloses an intelligent pressurizing system of a pipeline water purifier, belonging to the technical field of civilian use water treatment.