求翻译：5.1.1.1金相试验由委托单位以委托单的形式委托，委托单至少应注明材质、规格等，委托单一式两份，一份检测公司保存，另一份委托方留存。是什么意思？

5.1.1.1 Metallographic tests commissioned unit commissioned by a single form of commissioned, commissioned by the single should at least specify the materials, specifications, etc., commission of a single duplicate, a testing company to save a commissioning party retained.

5.1 .1 .1 commissioned by metallographic unit to delegate, delegate, delegate the form should note that at least one quality, specifications, and so on, a single-commissioned two copies, one in the test company saved and the other delegates retained.

5.1.1.1 metallographic test by entrusts the unit to entrust the single form request, the request only at least to be supposed to indicate the material quality, the specification and so on, request sole -like two, an examination company preserves, another request side preserves.

5.1.1.1 metallographic tests commissioned by the delegate units in the form of orders, orders should at least indicate the material, specifications, etc, delegate a single two copies, a testing company saves, another principal retained.

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