primary float feed 初次浮选给料
float feed apparatus 浮筒式给水器
float feed system 浮控进给系统
tertiary float feed 三次浮选给料
secondary float feed 二次浮选给料
float feed carburetor 浮子式汽化器
Feed valve is float-operated and simply constructed. Can be easily cleaned if fouled by dirt in the water supply.
进水阀是靠浮子工作的，结构简单。如果被供水污垢淤塞，则能够很容易的进行清洗。
The breaking down reasons of the small float head bolts in an acid stripping unit and primary exchanger for feed water are analyzed.
对酸性水气提装置侧线与原料水一次换热器的小浮头螺栓的断裂原因进行了分析，并提出了相应的对策和推广新材料的建议。
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