The geochemical elementary assemblage of stream sediments is similar to the primary elementary assemblage because the mechanical transportation as the main transportation way.
而水系沉积物地球化学异常，由于以机械搬运为主，其元素组合与原生组合相近。
Mechanical processes, including solids transportation, crushing and pulverization, screening and sieving.
机械过程，包括固体运输，粉碎，粉碎，筛选，筛分。
Swinging mechanical conveyor belt can be moved from the stage of the transportation work.
摇摆输送机械可进行从输送带到工作台的运输工作。
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