问题：
[单选题]消毒技术规范中，医疗器械用预真空压力蒸汽灭菌的温度和时间一般需要维持为（ ）。
A、132℃，4min
B、132℃，3min
C、121℃，20min
D、132℃，2min
E、以上均非
参考答案：
A
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