1) light-duty caving support
轻放支架
1.
Application study of light-duty caving support in remaining coal mining and isolated island working face;
轻放支架在残采工作面的应用研究
2) light supports caving mining
轻型支架放顶煤
3) comprehensive light-duty supports
轻型综放支架
1.
Study on forming a set of equipment of comprehensive light-duty supports for sublevel caving coal mining and its mining technology;
轻型综放支架放顶煤开采设备配套及开采工艺研究
5) light roof caving support
放顶煤轻型支架
6) light-duty roof caving coal hydraulic support
轻型放顶煤液压支架
1.
The design of light-duty roof caving coal hydraulic support equipped with flat tramcar;
轻型放顶煤液压支架配套平板车设计
补充资料：Z-型支架
Z-型支架
介入放射学器材。Z-型支架属自胀式支架。包括Gianturco-Z-型支架，改良型Gianturco-Rosch 支架，螺旋型Z-支架，可回收式Z-支架。Gianturco-Z支架系不锈钢丝弯成Z形，然后围成圆柱状。支架的直径、长度可以根据需要而制造。一般钢丝的直径0.25～0.5mm，支架体的长度10～35mm，支架的直径5～30mm。制作工艺比较简单。缺点是单体支架容易移位，多体连接支架连接部的张力不够均匀。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条