During the guarantee strength, stiffness condition, should try to reduce crusher frame weight.
在保证强度、刚度条件下，应尽量减轻破碎机机架的重量。
Besides the strength condition, the environmental stiffness condition is another one necessary for shock-generation.
除强度条件外，环境刚度条件是发震的另一必要条件。
Besides the strength condition, the environmental stiffness condition is another one necessary for shock-generation.
除强度条件外，环境刚度条件是发震的另一必要条件。
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