常見例句watertube header for steam-generating boilers 水管式集水箱,蒸汽發(fā)生鍋爐用externally fired watertube boiler 外燃水管鍋爐watertube boiler with straight tubes 水管鍋爐This standard specifies strength calculation method, structure, material requirements and material permissible stress of pressure parts for watertube boiler; 本標準規(guī)定了水管鍋爐受壓元件的強度計算方法、結(jié)構(gòu)和材料要求及材料許用應力；watertube boiler 水管鍋爐 返回 watertube