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loading and unloading mechanization
装卸机械化(loading and unloading mechanization)：实现装卸作业的机械化，是装卸作业的重要途径。过去的装卸作业主要是依靠人力手搬肩扛，劳动效率低，劳动强度大，从而严重地影...
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短语
装卸机械化系统
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mechanization system of cargo handling
装卸机械化方案
handling mechanization scheme
铁路货物装卸机械化
mechanization of goods loading and unloading on railway
装卸作业机械化
HANDLING MECHANIZATION
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mechanization of cargo handling
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