试题与答案

对同一种塑料,螺杆式注射机的料筒温度比柱塞式注射机的料筒温度需求()。A.高一些 B

题型:单项选择题

题目:

对同一种塑料,螺杆式注射机的料筒温度比柱塞式注射机的料筒温度需求()。

A.高一些

B.低一些

C.相同

D.不能确定

答案:

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参考答案:A

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