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润滑脂的选用农业机械上使用的润滑脂有钙基润滑脂、钠基润滑脂和钙钠基润滑脂三种。１．钙基润滑脂其特点是抗水性强，但不耐高温。拖拉机及各种农具的大部分轴承均使用钙基润滑脂．使用温度，１、２号不高于５５℃，３、４号不高于６０℃，５号不高于６５℃。选用时，一...
Grease selection Grease used in agricultural machinery calcium-based grease, sodium-based grease and calcium-based grease three. 1. Calcium-based grease is characterized by strong water resistance, but not high temperature. The majority of tractors and all kinds of farm tools bearing the use of calcium-based grease. Use temperature, 1,2 not more than 55 ℃, 3,4 not more than 60 ℃, 5 not more than 65 ℃. When used, a ...