选用国际知名品牌油研的油泵、比例阀、电磁阀等液压配件，良好的液压功能控制。
The international famous brand development, the proportion of oil pump valve, solenoid valve, hydraulic parts, hydraulic control function is good.
作为简单描述，提供给比例阀电磁铁的电流需要被调节，不象应用常规阀的时仅有开关通或断那样简单。
As described earlier, the electrical current to the solenoid of a proportional valve needs to be regulated and not just simply switched on or off as is the case with a conventional valve.
一般地，通过比例阀电磁铁地电流由一些形式地电子放大器控制。
Normally, the current flowing through the proportional solenoid will be controlled by some form of electronic amplifier.
比例阀与开关电磁阀之间的另一个区别是阀芯的设计。
A further difference between a switching solenoid valve and a proportional valve is in the design of the spool.
比例阀与开关电磁阀之间的另一个区别是阀芯的设计。
A further difference between a switching solenoid valve and a proportional valve is in the design of the spool.
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