试题与答案

钽、锆、铌及其合金用于压力容器受压元件时,钽和钽合金设计温度不高于()℃。A、350

题型:单项选择题

题目:

钽、锆、铌及其合金用于压力容器受压元件时,钽和钽合金设计温度不高于()℃。

A、350

B、300

C、250

答案:

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