题目内容：
托运人在航空货物发运后，可以对货运单上（ ）作变动。 
参考答案：
答案解析：
多选题：托运人在航空货物发运后，可以对货运单上（ ）作变动。
- 题目分类：理论与实务
- 题目类型：多选题
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