The owner's brother has been in practic al control of the firm for years.
业主的弟弟实际控制该商行已有多年。
The methods prove to be effective for ridging resistance in production practic…
这些工艺控制方法以试验结果为依据，经生产实践证明是有效的。
The methods prove to be effective for ridging resistance in production practic…
这些工艺控制方法以试验结果为依据，经生产实践证明是有效的。
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