直线吊线 straight ligament
垂直吊线接触网 vertical overhead contact system
吊钩垂直线 hook vertical stroke line
直线吊综法 [纺] straight tie
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自动生产线按结构可分为吊鱼式、压板式、龙门式三种，按线体形式可分成直线式和环形两种。
Automatic production line according to the structure can be divided into condole fish type, embossed type, gantry three, press lines form can be divided into two and the ring was.
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