NOTE: There will be an add charge for missing parts or engine stand.
注：如果缺失零件或发动机支架将收取附加费用。
The activity of this catalyst has been tested in the laboratory and by the engine stand.
对该催化剂进行了实验室及台架试验。
L-38 bearing shell corrosion test and 1g2 high temperature lustration engine stand test are carried out.
并进行L—38轴瓦腐蚀性和1g 2高温清净性发动机台架试验。
With the imported engine stand being widely used, the diagnosis and maintenance of them have become one of important things.
随着进口电喷发动机的普及应用，故障诊断及维护已成为保证这些高新技术设备正常运转的关键。
With the imported engine stand being widely used, the diagnosis and maintenance of them have become one of important things.
随着进口电喷发动机的普及应用，故障诊断及维护已成为保证这些高新技术设备正常运转的关键。
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