1·Opposing vanes are connected together by two rods passing either side of the central shaft.
反对叶片连接在一起，由二棒通过任何一方的中心轴。
2·Since all the probes and vanes are exposed to the airstream, internal heating is provided to prevent ice formation.
因为所有的探头及叶片都暴露在气流里，需要加热以防止结冰。
3·The casing shall have integral anti-vortexing vanes that can also facilitate maintenance.
泵壳应该配置一体化的抗涡流叶片，这可能有助于日常设备维护。
4·Impeller: Sure to change impeller if it has serious cavitations (main vanes in particular), over corrosion, wear and tear and breakage.
叶轮：严重汽蚀(特别是主叶片)、过度腐蚀、磨损、破损时，要求更换叶轮。
5·To produce the pumping action, it contains pistons that are driven back and forth, or rotating vanes.
要生产泵动作用，它包括往复运动的活塞或旋转叶片。