套筒计量燃油泵壳体
sleeve metering fuel pump housing
套筒计量杠杆校准工具组
sleeve metering lever calibration tool group
套筒计量燃油泵
sleeve metering fuel pump
套筒计量燃油系统
sleeve metering fuel system
SMFS
套筒计量燃油系统泵壳
sleeve metering fuel system pump housing
套筒计量校准
sleeve metering calibration
套筒计量野外维修工具组
sleeve metering field service tool group
电能量计量计费
power telemeter and settlement system
电能量计量计费系统
power energy billing system
telemeter reading system
the System of Measuring and Billing of Power Energy
tele meter reading system
液体计量泵
Microprocessor pump drive