问题
问答题 简答题
什么叫制品的比强度？
答案
参考答案：比强度是指：制品的抗压强度与体积比重的比。
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什么叫制品的比强度？
参考答案：比强度是指：制品的抗压强度与体积比重的比。
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| There is a zoo in our city. The zoo is very big. It has all kinds of 1 . You can see the tigers, elephants, monkeys, pandas, dolphins (海豚) and many 2 in it. 3 people visit it every day. Today is Sunday. Jim and his classmates 4 no classes. They are at the zoo. Jim likes pandas. They 5 from Sichuan. Tom 6 tigers are lovely, 7 Lily doesn't think so. She thinks 8 are dangerous (危险的). She asks Tom 9 the dolphins. She thinks dolphins are 10 , and they can dance very well. Jim and his classmates have a good time at the zoo. | ||||
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