The random forces on the mole plough were studied by the spectral analysis method.
采用频谱分析方法研究了鼠道犁土壤工作部件的随机受力.
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The random forces on the mole plough were studied by the spectral analysis method.
采用频谱分析方法研究了鼠道犁土壤工作部件的随机受力.
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