1·Each steel cable is covered by a thin polymer tube (wrapped in stainless steel foil) to prevent rusting.
每根钢索均由覆有薄聚合物管（预先包在不锈钢箔内）以防生锈。
2·In this article, authors introduce the installation technology of the steel cable film structure of the vault of Nanning International Meeting and Exhibition Center.
介绍了南宁国际会展中心穹顶钢索膜结构的安装技术。
3·A prestressed steel girder is regarded as composite structure of girder and tendons through establishing prestressed steel cable of high strength in the steel girder.
预应力钢梁是在普通的钢梁内设置高强度预应力钢索而形成的索梁共同受力的组合梁桥。
1·Telescoping of the boom is carried out through telescoping cylinder and steel cable, and all booms telescope simultaneously.
吊臂的伸缩是通过伸缩油缸和钢丝绳进行，各伸缩臂同步伸缩。
2·The products mainly cover: speed governor, safety gear, buffer, steel cable brake, lock, guide shoe, door opener, guide wheel, etc.
现主要产品有：限速器、安全钳、缓冲器、钢丝绳制动器、门锁、导靴、开门机、导向轮等产品。
3·And has indicated transforming successfully by comparing the use circumstances of steel cable before and after the transforming.
并对改造前后变幅钢丝绳的使用情况进行比较，结果表明改造成功。
4·The hole of the auxiliary hanging rope connecting plate of the upper arm of the hoist is connected with an auxiliary steel cable chain hanging rope and a small steering rope.
吊具上臂的副吊系连接板的孔内连接副钢丝绳链条吊系和转向小绳。