detection tube meaning in Chinese

检波管
检定管

Preparation of steel substrates before application of paints and related products - tests for the assessment of surface cleanliness - part 5 : measurement of chloride on surfaces prepared for painting ion detection tube method
涂覆涂料前钢材表面处理表面清洁度的评定试验第5部分：涂覆涂料前钢材表面的氯化物测定
Preparation of steel substrates before application of paints and related products - tests for the assessment of surface cleanliness - measurement of chloride on steel surfaces prepared for painting ion detection tube method
涂装油漆和有关产品前钢材的预处理.表面清洁度的评定试验.涂装前钢材表面上氯化物的测定
Preparation of steel substrates before application of paints and related products - tests for the assessment of surface cleanliness - part 5 : measurement of chloride on steel surfaces prepared for painting ion detection tube method
涂装油漆和有关产品前钢材预处理.表面清洁度的评定试验.第5部分:涂装前钢材表面上氯化物测定