手册应易于修订，它们可以是活页形式，带有耐用的多环形封面或者永久性装订A、Handbooks shall be readily revisable. They may be in loose-leaf form, with durable, multi-ring cover, or permanently bound；B、Handbooks shall be easily revisable. They may be in loose-leaf form, with durable, multi-ring cover, or permanently bound；C、Handbooks shall be readily changeable. They may be in loose-leaf form, with durable, multi-ring cover, or temporary bound；-易过题库-题库最全的搜题网站

手册应易于修订，它们可以是活页形式，带有耐用的多环形封面或者永久性装订

AHandbooks shall be readily revisable. They may be in loose-leaf form, with durable, multi-ring cover, or permanently bound；

BHandbooks shall be easily revisable. They may be in loose-leaf form, with durable, multi-ring cover, or permanently bound；

CHandbooks shall be readily changeable. They may be in loose-leaf form, with durable, multi-ring cover, or temporary bound；

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