题目内容
圆度是形状公差
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允许尺寸的变动量称为形位公差
Fill in the blank with the word given below. Change the form where necessary. Each word can be used only once.1. Given the chance to show his ability, he regained _____ and began to succeed in school.
Fill in the blank with the word given below. Change the form where necessary. Each word can be used only once.2. It is so difficult to _____ the bottom of the ocean because some parts are very deep.
Fill in the blank with the word given below. Change the form where necessary. Each word can be used only once.3. It was about 30 seconds before Alex _____ from the water; we were quite scared.
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