composite test gear
... composite synchronizing signal 复合同步信号 composite test gear 成套试验仪表 composite track 混合大圆航线 ...
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数据试验与实践证明，改造后的成套原油仪表计量系统技术先进、运行安全可靠、计量精度高、维修操作方便，便于管理。
The data test and practice show that the reformed system is safe and reliable in operation, accurate in metering, convenient to maintain and operation as well as management.
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