使用方法是先制备试样，再用浸蚀剂浸蚀。

The use method is that a sample is firstly prepared and then is etched by the etching agent.

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一种硬质合金刀具表面氮铝钛涂层浸蚀剂及其使用方法，涉及一种涂层浸蚀剂。

The invention discloses an etching agent for a carbide tool surface TiAIN coating and a use method thereof, and relates to a coating etching agent.

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结果表明，此浸蚀剂是管线钢一种理想的奥氏体晶界浸蚀剂，所采用的测定方法的精确度较高。

The results shows that the corrosion is an ideal austenite crystal boundary corrosion for pipe line steel. The accuracy of adopted determination method is high.

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