Gossamer
发表于 2025-3-23 11:30:15
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恸哭
发表于 2025-3-23 16:57:14
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Cerumen
发表于 2025-3-23 21:04:08
Power Trains,s, belts, and chains. These devices are used to deliver power to the individual components of a machine and to change it to meet each component‘s requirement. Changes in speed, direction of rotation, or torque may be needed. This chapter will illustrate some of the principles of power trains and pro
Fabric
发表于 2025-3-24 00:20:11
Machinery Calibration, material at the desired rate and pattern, economic losses may occur. An insufficient amount of material will not produce the desired results, and excessive amounts are a lost resource that may result in crop damage and/or contribute to contamination of the environment.
panorama
发表于 2025-3-24 05:18:27
Economics of Agricultural Machinery, may have seriously affect on the profitability of the enterprise. After studying this chapter, you should have a better understanding of the criteria to use when selecting tractors and machines, and be able to match tractor and machine sizes.
humectant
发表于 2025-3-24 06:54:54
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要素
发表于 2025-3-24 12:49:48
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anthropologist
发表于 2025-3-24 15:20:28
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thwart
发表于 2025-3-24 23:01:10
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全国性
发表于 2025-3-25 02:14:16
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