Expeller seals packing include expeller , pressure - relief cover, sleeve, packing water sealing ring and packing gland, etc.付叶轮加填料组合式密封包括付叶轮 、 减压盖 、 轴套 、 填料水封环和填料压盖等....

n.逐出者，开除者...

expeller的音标：expeller的英式发音音标为：[eks'pelə]expeller的美式发音音标为：[ek'spelə]...