Combination of electric pump-controlled mechanical structure even more than the traditional mechanical-line pump is simple, less the number of parts is expected to achieve higher reliability.
电控组合泵的机械结构甚至比传统的机械直列泵简单，零件数目少，可望达到较高的可靠性。
Analysis of Phase Disposition Double Ramp Comparison Control (PDDRCC) and PODRCC methods show that PODRCC method is easier to achieve and attains higher reliability.
通过对同相双载波补偿控制(PDDRCC)和反相双载波补偿控制(PODRCC)两种方法进行分析，得出PODRCC方法更易于实现且可靠性高。
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