问答题

压力管道元件在实物上规定有什么标志？

答案：压力管道元件在实物上通常需要有以下标志：1. 制造商名称或商标：元件上应清晰标有制造商的名称或商标，以便识别其来源。2....

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设在工程中有一个标准模块，其中定义了如下记录类型：Type Books Name As String10 telNum As String20End Type 在窗体上添加一个名为Command1的命名按钮，要求当执行事件过程Command1_Click时，在顺序文件 Person.txt中写入一条记录。请在【14】中填入适当的内容，将程序被补充完整。Private Sub Command

答案： B

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答案： C