题目内容

公差的英文是

A. deviation
B. tolerance
C. system
D. variation

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H7 :The uppercase letter "H" indicates that the system is . The lowercase letter "h" expresses that the system is _______.

A. the basic hole system、the basic hole system
B. the basic shaft system、the basic shaft system
C. the basic hole system、the basic shaft system
D. the basic shaft system、the basic hole system

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以下哪一项不属于固井设备？（）

A. 压裂车
B. 供水车
C. 水泥车
D. 固井车

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井身结构的套管主要包括表层套管、技术套管、生产套管结构。

A. 对
B. 错

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Add the suffix “-able” to the following words in brackets. Then complete the sentences with the words formed.

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公差的英文是

A. deviation B. tolerance C. system D. variation

H7 :The uppercase letter "H" indicates that the system is ______. The lowercase letter "h" expresses that the system is _____________.

以下哪一项不属于固井设备？（）

井身结构的套管主要包括表层套管、技术套管、生产套管结构。

Add the suffix “-able” to the following words in brackets. Then complete the sentences with the words formed.

A. deviation
B. tolerance
C. system
D. variation

H7 :The uppercase letter "H" indicates that the system is . The lowercase letter "h" expresses that the system is _______.