这些课题大都转入工业试制或生产，机理研究亦有所突破。
These subjects are all put into industry trial-manufacture or production. The mechanism research has bee...
试制的实验室用泵阀试验台为深入开展钻井泵泵阀的理论研究创造了条件。
The test stand prepares the ground for a through investigation into drill pump valves.
研究者们至今对自学考试是考试制度、教育制度还是学习制度，仍存在争议。
The guarantee system is key to smoothly implementing flexible learning system in secondary vocational school.
研究者们至今对自学考试是考试制度、教育制度还是学习制度，仍存在争议。
The guarantee system is key to smoothly implementing flexible learning system in secondary vocational school.
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