搬运木材的一种普遍手法是用马和牛在森林中的滑道和崎岖小路上拉木头。
One popular technique for hauling lumber was to use horses and oxen to drag logs over skid roads and rough tracks through the woods.
本实用新型公开了一种板式滑道健身游乐设施。
The present utility model discloses a plate-type slideway body-building recreational facility.
介绍预焙阳极铝电解槽阳极提升机构两种不同的设计结构——螺旋起重式和三角板滑道式;
The article describes two different structure of the anode lifting mechanism in prebaked anode aluminum reduction cell, one is spiral lifting type;
应用推荐