639.Removal/Installation、 The removal/installation portion shall state
clearly the sequence of steps required to remove and reinstall a component
or unit, along with precautions to be observed.
以及遵循的预防事项。
以及要遵守的预防措施。
防事项所需的步骤顺序。
答案解析
相关题目
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131.After the ailerons go back to neutral make sure they are flush with
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position.
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128.The wind velocities recorded as variables on the charts of this
127.Scratches can prevent the free movement of the piston in the sleeve.
126.In designing schematic diagrams, it may be necessary to compromise
between detail necessary to make the diagram self-explanatory and the
simplicity essential for ease of reading and understanding.
