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Terms containing pH control | all forms | exact matches only | in specified order only
SubjectEnglishChinese
el.coordinated phosphate-pH control磷酸盐-pH协调处理
tech.pH controlpH 值控制
el.pH controlpH值控制
tech.pH control氢离子浓度指数调节
oilpH control additivepH 值控制剂
dril.pH control additive控制 pH 的添加剂
oil, chem.pH control agentpH 值控力磅