两个可拉伸的手柄推杆，既方便移动，又可以减小机器放置的空间，同时将现有技术中的拖拉式结构改变为推进式结构。
Two stretchable handle pushing rods can move conveniently, can reduce the space for arranging the machine, and changes the drag-typed structure in the prior into a push-typed structure simultaneously.
可拉伸沙发以得到所需的尺寸。可调节扶手和座位靠背的深度。
Stretch sofa to desired dimensions. Arm rest and seat back depth are adjustable.
根据矿压观测结果分析了可拉伸锚杆对软岩巷道支护的适应性及其合理的结构参数。
Accoording to the result on observation of rock pressure, adaptability of telescopiform bolt in soft rock road and reasonable structural parameter are analysed.
应用推荐