Bell公司发言人Tom Dolney对航空周刊记者说，在总装配线上两架UH - 1y和一架AH - 1z以及正在喷涂的H - 1都会在飞行试验之前接受全面检查。
Bell spokesperson Tom Dolney told Aviation Week that two UH-1Ys and a single AH-1Z on the final assembly line and an H-1 in the paint shop will all undergo inspections prior to flight testing.
潜水电机壳体，包括机架，尾轴承架，法兰和罩盖总装，必须采用符合美国材料试验协会ASTM A - 48类别30标准的、密实的铸铁或更好的材料制造。
The submersible motor enclosure including frame, end brackets, flanges and cap assembly shall be constructed of close-grained cast iron, ASTM A-48, Class 30 or better.
生产技术方面，从机械加工、注塑、冲压、钣金、焊接到总装、试验，都具有一套完事的工艺流程。
About the production technology, from mechanical processing, injection molding, pressing, panel beating, welding till assembly, test, all of them have a complete set of processes.
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