700c

1

Harald bttner , head of the thermoelectric systems department , says exhaust gas temperatures can reach more than 700C , creating a steep gradient between gas and engine cooling fluid .

电热系统部门负责人哈拉尔德伯特纳（haraldbttner）称，废气温度能达到摄氏700度以上，造成气体和发动机冷却液之间很大的温差。
2

Efficient measures for improving properties of compound ceramic shell in which the bake-up slurry made of sodium silicate are following : selected refractory materials on the base of Kaolinite or Mullite , dried ceramic shell before curing and holding temperature at 700C while baking .

选择以高岭石熟料或莫来石相为基的耐火材料、型壳硬化前干燥以及700℃保温焙烧等，是改善以水玻璃为加固层复合型壳性能的有效措施。