It's a piece of cake. Firstly, you log on to the website of my school. You can select one you like from the skills test menu.
那很简单，首先你登录我们学校的网站，在一个技能测试菜单里，你就可以选择你喜欢的测试题目了。
2
The disadvantage of API filtration test to evaluate mud cake quality is analyzed. A method, taking mud cake strength, permeability and thickness as main evaluation factors is introduced.
Aceording to the test, filter cake resistance was the main pollution resistance and it was very remarkable to influence for water yield of ceramic filter.