问题
问答题 简答题
何谓汽轮机油系统的油循环倍率？
答案
参考答案：
汽轮机主油泵每小时出油量与主油箱总油量之比叫油的循环倍率。一般油循环倍率应小于12。如果油循环倍率过大，油在油箱内停留的时间短，空气、氢气及水分来不及分离，使油质恶化。
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何谓汽轮机油系统的油循环倍率？
参考答案：
汽轮机主油泵每小时出油量与主油箱总油量之比叫油的循环倍率。一般油循环倍率应小于12。如果油循环倍率过大，油在油箱内停留的时间短，空气、氢气及水分来不及分离，使油质恶化。
Do you know anything about the moon? The moon is __1____than the earth（地球）, but the sun is ___2___ bigger than the earth. The moon is __3__ from the earth. It’s 380 000 kilometres away. On the earth we see that the moon __4___like a cake. There is _ 5____air on the moon, ___6___there is no living things there. The side of the moon towards（朝，向）the sun is very hot, while the other side is very __7____. People can jump__8__ on the moon than on the earth and walk more __9___there. It takes more than three days to get to the moon __10___spaceship（宇宙飞船）.
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