Furthermore, an engineering trial is performed by an industrial heat pump made overseas operating in oil field.

随后利用引进的工业用热泵，结合石油生产企业情况进行了工业试验。

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LY12 duralumin was heat treated on a trial basis and the variation of microstructure and mechanical properties with heat treatment process was obtained.

对LY 12硬铝合金进行了热处理工艺试验，获得了该合金热处理工艺与力学性能之间的关系。

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The Titanium alloy swashplate's pressure forging process, heat treatment criterion and process request are introduced and trial-manufactured.

介绍了钛合金斜盘模锻工艺流程、热处理规范以及工艺要求，并进行工艺试制和应用。

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Valuable data could be collected with an NEO trial run, particularly testing Orion's high-speed heat shields.

CNN: Space's threat to civilization