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问题
问答题 简答题
什么叫全挡板条件?
答案
参考答案:全挡板条件是指在一定转速下再增加罐内附件而轴功率仍保持不变,而旋涡基本消失。
选择题
He studied hard at school when he was young,_____ leads to his success in his later life.
A. what
B. which
C. that
D. so that
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问答题 简答题
简述有性繁殖,营养繁殖,休眠,后熟,播种量概念?
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