英语语法分析

It can reduce 30 minutes from 4 hours work time by applying underslung and drawer-lide design reducing on internal channel of the stove and preheater.

锡炉内槽及预热器均采用同步“悬臂抽屉设计”，保养工时由原长达4小时，缩短为30分钟。

The invention relates to an underslung integrated composite spinning device, belonging to an underslung integrated composite spinning device for tracting a front area of a ring spinning frame.

本发明涉及一种下压式集聚纺纱装置，它属于一种环锭细纱机前区牵伸用下压式集聚纺纱设备。