问题
问答题 简答题
钻孔深度与设计孔深的误差是什么？
答案
参考答案：
它们的误差不得大于20cm。
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钻孔深度与设计孔深的误差是什么？
参考答案：
它们的误差不得大于20cm。
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| One day, Frank and his parents go to his uncle's home for lunch．Frank's uncle Tom has a little black dog．Its 1 is Jeff．It's only one year old． 2 lunch Uncle Tom says, "I'll go to New York, 3 I can't take Jeff there. You know, I can't have a little dog in a big 4 ．" "Can! have Jeff, Uncle Tom?" says Frank．"Jeff knows me well and we 5 no dogs．" Uncle Tom 6 at Bob's mother and father． "Please, Morn, let 7 have it," says Frank． "Just 8 your father," says Frank's mother． "Please．Dad?" "Yes, you can have it．" "Thanks, Dad．Thanks, Uncle Tom． 9 here, Jeff．Let's play with the ball．" "Look! The dog is his now," Uncle Tom laughs (笑)． Frank is 10 to be with Jeff．It's Frank's best friend now． | ||
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