attached foreign material 附着的外来物质
Foreign Material Pipe Comparison 钢管中外材质对照表
damage from foreign material 井底落物损坏
Amount of foreign material 外源物质的含量
foreign material on unit 机身有外物
foreign material in plastic 材质中含杂质
Foreign language material 外文资料
foreign material 异物 ; 基材内异物
Foreign material embolus 释义异物栓子
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