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Disc spring load-deformation characteristics can directly affect pneumatic DTH hammer system vibrations.
碟形弹簧的载荷变形关系直接影响潜孔锤系统振动特征。
youdao
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Disc spring load-deformation characteristics can directly affect pneumatic DTH hammer system vibrations.
碟形弹簧的载荷变形关系直接影响潜孔锤系统振动特征。
youdao