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日本马沙达千斤顶是一种起重高度小的最简单的起重设备。日本马沙达千斤顶有机械式和液压式两种。机械式千斤顶又有齿条式与螺旋式两种,日本马沙达千斤顶由于起重量小,操作费力,一般只用于机械维修工作,在修桥过程中不适用。日本马沙达千斤顶结构紧凑,日本马沙达千斤顶工作平稳,日本马沙达千斤顶有自锁作用,日本马沙达千斤顶故使用广泛。其缺点是起重高度有限、起升速度慢.
Japan Masada jack is a lifting height of the most simple lifting equipment. Japan Masada Jack has two kinds of mechanical and hydraulic. Mechanical jack and spiral two, Japan Masada Jack due to the small weight, the operation is difficult, generally only for mechanical maintenance work, in the process of repairing the bridge does not apply. Japan's Masada jack structure is compact, Japan's Masada jack works smoothly, Japan's Masada Jack has a self locking effect, the Japanese Masada jack is widely used. The disadvantage is that the lifting height is limited and the lifting speed is slow.