Like a slim reed of crystal a fountain hung in the dusky air.
喷泉如一枝纤细的水晶般悬在晦暗的空气里。
A bagpipe consists of a reed pipe4 with finger holes and a leather bag which provides a reservoir of air for the pipe. There are many types of bagpipes.
那么风笛是怎样一种乐器呢?它由带指孔的簧管和皮制的风袋构成,风袋就像一个空气存储器,为簧管源源不断地提供气流。
An air entraining high range water reducing agent was synthesized by way of oxidization and grafted - sulfonation of black liquor of reed pulp (sodium lignosulfonate) and its performance was studied.
通过对芦苇造纸黑液氧化、接枝磺化合成工艺,研制出具有引气性能的高效减水剂,并对其性能进行了研究。
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