所屬欄目:水輪機(jī)與水泵專業(yè)英語
The casing of a crossflow turbine ismade of structural steel; it is robust, resistantto impacts and frost. If there is high contentsof abrasive material in the water (e.g. sand,silt) or if the actual composition of the wateris considered aggressive (e.g. ......(本文共 353 字 ) [閱讀本文] >>