论文部分内容阅读
文内对伊春林区贮木场旧的机械设备、卸车机械、造材台、纵向输送机、楞腿提出了改进、改建的建议。
Text on the Yichun forest yard old machinery and equipment, unloading machinery, timber platform, vertical conveyor, Lengtong put forward suggestions for improvement, reconstruction.