stell plate internal fixation 钢板内固定
roofing pressed stell plate 屋面压型钢板
Glass, rubber and stell plate have been used for wear-resistant bottom liner in this experiment.
用玻璃、橡胶及钢板三种材料作为管道防磨蚀腐衬实验。
Pipe lodgepole-steel tunnel support technique is a strong composite support system consisting of advance pipe lodgepole, support stell vault, tin plate packer and working surface plug-back.
管棚复合钢支撑技术，是一个通过超前管棚、支撑钢拱、白铁皮隔离、工作面封堵的相互配合和共同作用，形成了具有强大支护抗力的复合支护体系。
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