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He is a drilling engineer.
他是钻井工程师。钻井设备。
youdao
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It is necessary that a good drilling engineer should know foreign languages.
一个好的钻井工程师必须懂得几门外语。
youdao
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He is the most able engineer of the second drilling company.
他是钻排二公司最有能力的工程师。
youdao
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He is the most able engineer of the second drilling company.
他是钻排二公司最有能力的工程师。
youdao