...组合水表.第3部分:试验方法 英文名称： Measurement of water flow in closed conduits -- Meters for cold potable water -- Combination meters -- Part 3: Test methods 标准组织： 【ISO】国际标准化组织标准 正文语种： 英法双语 国标分类： 【N12】流量与物位仪..
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It requires that for each pair of input para-meters of a system, every combination of valid values of these two parameters be covered by at least one test case.
它要求对于系统的每一对输入参数，这两个参数有效值的每一个组合至少要被一个测试用例覆盖。
After taking brief account of large flow meters testing, the article describes the importance of gas meters testing, cleaning, repairing in combination with test data and test analysis.
文章介绍了大流量燃气表检定的概况，用检定数据及分析说明了燃气表检定、清洗、维修的重要性。
It is explained in combination with practical instance how to use a general flow meter and several branch flow meters to measure and monitor the transported oil quantity.
结合实际情况介绍如何使用总流量表和分流量表来计量和监测发油量。
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