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在液压驱动的工程机械中,一般采用油缸作为机构变幅的动力。常见的有如图1(a)、(d)、(c)几种组合形式。在设计中,往往采
In hydraulically driven construction machinery, the cylinder is generally used as the power of the body luffing. Common as shown in Figure 1 (a), (d), (c) several combinations. In the design, often mining