... pH paper pH纸 pH test pH测试 pH value pH值；酸碱度；氢离子值 ...
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ph test paper ph 试验纸 ; 试纸
ph test ph
Ph值试验
以上为机器翻译结果，长、整句建议使用 人工翻译 。
To investigate whether acid reflux is involved at all, doctors can do a 24-hour pH test, inserting an acid-sensitive probe through the patient's nose into the esophagus, where it records any episodes of reflux.
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The simple test was developed and published in 2000 by Myrna Weissman, Ph.
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