Required serie and type shall be decided in accordance with technology requirements of transporting medium and property parameter table.
根据输送介质的工艺要求，按性能参数表确定所需系列和型号；
Required serie and type shall be decided in accordance with technology requirements of transporting medium and property parameter table.
根据输送介质的工艺要求，按性能参数表确定所需系列和型号；
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