单词 | 有重量 |
释义 | 〔hydrometer〕An instrument used to determine specific gravity, especially a sealed, graduated tube, weighted at one end, that sinks in a fluid to a depth used as a measure of the fluid's specific gravity.液体比重计:一种用来测量比重的仪器,特别是封口的量杯,一端有重量,将其下沉到一定深度,这个深度用来确定液体的比重〔structural〕A part of a structure that bears a weight, or the structural piece used for such a part.结构中有重量的一部伤,或为这一部份所用的构造物 |
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