The key to the technological transformation is the design of the manual oil pump, the delivery pump and the whole transmission box.
技术改造的关键是手油泵、输油泵及传动箱总成的设计。
The key to the technological transformation is the design of the manual oil pump, the delivery pump and the whole transmission box.
技术改造的关键是手油泵、油泵及传动箱总成的设计。
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