本文综合报道有关弹性半无限体表面稳定性的若干工作。
In this paper, we present some work on the surface instability of elastic half Spaces.
产品特点：稳定性与弹性的完美结合，容易控制，能制造强烈的旋转。
Specifications: perfect combination of stability & spring, easy control and good spin.
采用皮带传动，弹性支撑，工作稳定可靠，操作维护方便。
Use the belt to drive, elastic support and it is reliable and easy to operate.
采用皮带传动，弹性支撑，工作稳定可靠，操作维护方便。
Use the belt to drive, elastic support and it is reliable and easy to operate.
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