(这只会是把测试复杂化，浪费宝贵的机器运转，减少了多种版本间的重用，还常常导致长期的维护代价)(可以在作者的前一篇文章中看到例子)。

It only complicates the test, wastes valuable machine cycles, reduces reuse across multiple versions, and often leads to long term maintenance costs. For an example of this see my previous post.

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在试运转前，生产商必须提供风机正确树立的证据，及(必要时)能安全运行的测试证明。

Before commissioning, the manufacturer shall provide proof that the wind turbine has been erected properly and, as far as necessary, tested to ensure that operation is safe.

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设备在出厂前均根据客户需求，经过最佳优化设计、生产制造、72小时运转测试，保证满足不同客户的品质与特殊要求。

Prior to ex-works, equipment is subject to optimal design and production, as well as 72-hour running test as required by the customers, which can meet the special requirements of different customers.

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