常见例句双语例句Blade is seen as a key part of the steam turbine. The performance and efficiency of steam turbine depend on the machining quality of blade surface.叶片是汽轮机组的关键零件之一，其型面加工质量的好坏将直接决定汽轮机组性能的优劣和效率的高低。 返回 surface steam quality