... well-compacted 压实得很好的 well-completion practice 完井作业 ... hydraulic 水力的，水压的 ...
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However, all states require a bachelor degree and completion of an approved training program with a prescribed number of subject and education credits as well as supervised practice teaching.
不过，所有州均需要学士学位，并需要完成认证培训课程，该课程规定了一定数量的科目和教育学分，以及监督实习教学。
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