bed material

常见例句

双语例句

• The equations for the total carrying capacity and the size distribution of carrying capacity and effective bed material have been presented.
  进而论述不平衡输沙时总挟沙能力、挟沙能力级配及有效床沙级配的方程。
• The occurrence of the lower limit of bed material size is attributed to the grain size composition of incoming sediment and the fining mechanism.
  研究认为河床质调整极限是由来沙组成及河床质细化机制决定的。
• The combustion and heat transfer in CFB boiler are related with the bed material, while the bed material is formed during the coal combustion, fragment and attrition processes.
  循环流化床锅炉炉内的燃烧及传热与炉内床料的状态密切相关，而炉内床料主要是由燃煤含有的矿物组分经过燃烧、爆裂和磨耗过程形成的。

权威例句

• Opportunity has been trundling around Mars ever since, though it was designed for only a ninety-day mission. (Spirit got stuck in a sand trap in 2009 and quit transmitting nearly a year later.) It never found the lake bed, or organic material of any kind.
  NEWYORKER: The Martian Chroniclers
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