... 季铵盐滴定法 hyamine titration technique 弹簧滚柱轴承 Hyatt roller bearing 混合的；混合物；混合接头；混杂岩 hybrid ...
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包含球轴承、滚柱轴承、轴、弹簧、齿轮、挂钩、心轴和键。用于设计机械工具和机械设备。
Contains ball bearings, roller bearings, shafts, springs, gears, hooks, spindles, and keys. Use to design machine tools and mechanical devices.
包含球轴承、滚柱轴承、轴、弹簧、齿轮、挂钩、心轴和键。
Contains ball bearings, roller bearings, shafts, springs, gears, hooks, spindles, and keys.
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