But in the ceiling, whether we choose the asbestos board or choose the mineral wool board, usually hang with a screw rod, so that it can be more durable.
可是在吊顶时,无论我们选择的是石棉板还是选择的矿棉板,一般都是用螺丝拉杆悬挂,这样才能够比较经久耐用。
Guide vane operation structure includes the guide vane arm clip board, guide vane arm, segmental keys, connection board, handle, cut pin, connecting rod pin and gland, etc.
导叶操作机构主要包括:导叶臂压板、导叶臂、分瓣键、连接板、耳柄、剪断销、连杆销及压盖等。
This paper introduces a board-reversing machine that consists of two four-rod mechanisms, According to the restraint conditions, the rod size of board-reversing machine is optimized.
介绍了一种由两组四杆机构组成的翻板机,用于薄板的翻面。根据约束条件要求,优化设计了翻板机的杆件尺寸。
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