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大深度金属进风口旋压工艺获得国家发明专利。
Metal deep into the air spinning process to obtain national invention patents.
youdao
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其主次因素顺序为曲柄转速和风扇进风口风速。
The rotation speed of crank and air flow speed are the main factors.
youdao
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其主次因素顺序为曲柄转速和风扇进风口风速。
The rotation speed of crank and air flow speed are the main factors.
youdao