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- Visual inspection, SEM/EDS, XRD, oxalic acid etch test, oil extraction technique and oil composition analysis were undertaken determine the causes of the failed valve. 研究方法包括目视检查、SEM/EDS、XRD分析，并辅以不锈钢敏化试验及油渍萃取与成分分析技术，综合分析不锈钢阀门之材质劣化原因。
- Stainless steels--10Percent oxalic acid etch test GB/T4334.;1-1984不锈钢10%25草酸浸蚀试验方法
- The erosion of GD type steel fibre in industrial phosph-acid has been tested by the electrochemistry and thermal etching testing. 利用电化学方法、热腐蚀试验等研究了GD型钢纤维在工业磷酸中的腐蚀行为。
- Etch test for macrostructure and defect of steels GB/T226-1991钢的低倍组织及缺陷酸蚀检验法
- Research of Accelerated Acid Etching Test of Automotive Topcoating 汽车面漆的加速酸蚀研究
- Steel products--Method for etch test of tower sample GB/T15711-1995钢材塔形发纹酸浸检验方法
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- That is a beautiful etching of a bird. 那是一只鸟的漂亮的蚀刻画。
- Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
- He held the test tube in his hand thoughtfully. 他沉思地把试管拿在手里。
- Hanging on the wall was a fine etching of the church. 挂在墙上的是一幅精致的教堂蚀刻板画。
- It will be wise to go over your test paper again. 还是把您的考卷再检查一遍的好。
- Let us show you to see the engine to test. 让我们指给你看要测试的发动机。
- He is answering the test paper busily. 他正忙着答考试卷。
- Don't tumble down on this easy test. 这次考试不难，你可别考砸了。
- Tomorrow we'll have a history test. 明天我们将进行历史测验。
- That driving test was a real doddle. 那次驾驶执照的考试真是易如反掌。
- The battery is on test at the moment. 此刻正在对这种电池进行测试。
- But for Tim, the whole class passed the test. 除蒂姆之外，全班都通过了这次考试。
- The boys were given an intelligence test. 那些孩子们接受了智力测验。
