A Propeller Assembly Comprising 螺旋桨大会组成如下
A propeller assembly comprising.
螺旋桨大会的组成如下。
The lance has a core tube assembly comprising a passageway for solid material.
喷管具有包括用于固体材料的通路的芯管组件。
Heating boilers. part 3: gas - fired central heating boilers. assembly comprising a boiler and a forced draught burner.
供暖锅炉。第3部分：燃烧气体的集中供暖锅炉。锅炉和强制送风燃烧器组合设备。
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