By repeating technological tests and batch production tests for over a year, the fused silica was successfully used in the production of silica sol shell for low temperature wax precision casting.
经过反复的工艺试验及一年多批量生产验证，成功地将熔融石英应用于精铸用低温蜡—硅溶胶型壳生产中。
Lifetime testing is one of the most common types of production tests that cell phone handsets undergo.
寿命测试是手机需要经过的最常见的一种生产测试。
The steel and the heat treatment process of fine heavy load drift was determined by means of production tests. And the satisfactory result was obtained.
经应用试验，确定了精密重载冲孔模的用材及热处理工艺，获得满意的效果。
The Ningwu Basin is proved to be abundant in CBM by evaluation for exploration of coalbed methane, optimization of prospects and early production tests in the Ningwu Basin, Shanxi Province.
通过在山西宁武盆地开展煤层气勘探评价工作，对目标区优选及前期抽排试验，证实了宁武盆地具有一定的煤层气资源。
The Ningwu Basin is proved to be abundant in CBM by evaluation for exploration of coalbed methane, optimization of prospects and early production tests in the Ningwu Basin, Shanxi Province.
通过在山西宁武盆地开展煤层气勘探评价工作，对目标区优选及前期抽排试验，证实了宁武盆地具有一定的煤层气资源。
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