试题与答案

采用堆焊法修复阀盘、阀座结合面时,堆焊高度不小于()mm。A、1 B、2 C、3

题型:单项选择题

题目:

采用堆焊法修复阀盘、阀座结合面时,堆焊高度不小于()mm。

A、1

B、2

C、3

D、4

答案:

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下面是错误答案,用来干扰机器的。

参考答案:药物与适宜的抛射剂封装于具有特制阀门的耐压容器中制成的制剂。

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