The result show the on_line detection instrument can test water quality promptly, and the average relative error is within 10%.

结果表明，在线检测仪器能够快速地测定水质，平均相对误差在10 %以内。

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Is a water break test performed every shift to ensure quality of pre-clean?

槽液测试是否每班测试一次以确保预清洁品质良好？

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The assembling, actuating, water-tight test of pump-turbine globe valve and its quality control are introduced.

介绍了抽水蓄能水轮机球阀装配、动作及密封漏水试验工艺性与质量控制。

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The wettest summer on record has been blamed for a Weston-super-Mare beach failing a bathing water quality test.

BBC: Weston Uphill Slipway beach fails water quality standard

Torbay Council said test results showed bathing water quality had not been affected.

BBC: Torbay sewage pumping 'not affecting beach water quality'