The provider must ensure integration with back-office systems so that ordering, provisioning, metering, rating and charging, billing and other functions support consumer activities and transactions.
提供者必须确保与后端(back - office)系统集成，以便预订、配给、计量、估价和收费、计费和其他功能支持用户活动和事务。
At present, for the volume of flowing back, the metering method made by man has many measuring errors and its technique has been lag behind.
目前，对试油排液量进行计量通常采用的是人工计量的方法。这种方法计量误差大，技术手段落后。
Screw position at the back of the metering pump.
螺丝位置在计量泵的背面。
Both pumps offer excellent metering performance, high vacuum lift, dry priming capability and no possibility of back-flow.
两类泵还具有良好的计量、高真空提升、干启动以及防回吸等功能。
All Stenner metering pumps have a 3-point roller design in the pump head, which ACTS as a check valve to prevent back flow, siphoning, overdosing and loss of prime.
泵头有3点滚筒设计，设备可作为止回阀阻止回流，虹吸，过量用药和避免大量的材料损失等。
Both pumps offer excellent metering performance high vacuum lift dry priming capability and no possibility of back-flow.
两类泵还具有良好的计量、高真空提升、干启动以及防回吸等功能。
Both pumps offer excellent metering performance high vacuum lift dry priming capability and no possibility of back-flow.
两类泵还具有良好的计量、高真空提升、干启动以及防回吸等功能。
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