Through the filter protective soil tests and fissure self healing tests, the filter design standard of the wide grading anti seepage materials of Shuibuya Project is given.
通过反滤保土试验及冲刷自愈试验，给出了适合水布垭宽级配防渗料的反滤设计标准。
Through tests both in laboratory and production conditions this technology has been proved to be simple in use and valid in transmitting the standard fuel charge of the fuel-injection pump.
经过实验室试验与生产考核，证明该方法简易可行，能达到传递喷油泵标准油量的目的。
Through the tests of standard samples, the degree of affecting permanganate index by these 5 factors are investigated.
通过环境标准样品的分析试验，考察这5个因素对高锰酸盐指数的影响程度。
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