英语词汇total dust怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	total dust
释义	total dust 简明释义全粉尘：指空气中的所有颗粒物质，包括可见和不可见的颗粒。总尘量：指在一定时间内收集到的空气中的所有颗粒物质的总量。网络释义 1 ?总粉尘 ...家安监总局职业安全卫生研究所 22 、根据粉尘在人呼吸道沉降的部位分类国家安监总局职业安全卫生研究所 (1)、总粉尘(total dust): "总粉尘":理论上讲,真正的总粉尘指漂浮在空气中的所有粉尘颗粒。短语 1 total dust collection efficiency 总粉尘除尘效率 2 cumulative total dust exposure 以累积总粉尘接触量 3 total dust exposure 总粉尘量双语例句 1 The result showed that the natural dustfall accounted for 54% of the total dust amount yearly. 经分析，兰州城区自然降尘量占年降尘量的54%。 2 Methods The concentration of total dust, respirable dust and the dust dispersivity were measured at same time. 方法对工作场所空气中某种粉尘进行总尘浓度、呼尘浓度、分散度测定。 3 They found that over a period of six years, planting three rows of trees reduced total dust and ammonia by more than half. 经历六年的时间，他们发现，种植三排树木就能减少总计超过一半的尘埃和氨。
随便看	signal-to-noise ratio signal to noise ratio signaltonoise ratio Signal-to-noise ratio for record-Playback signal-to-noise ratio for record-playback channel signal-to-noise ratio for speech signal to noise ratio for speech signal to noise ration signal-to-noise ration signal to noise ratio signal-to-noise ratio (snr) signal topmast signal-to-quantization noise ratio signal-to-quantizing noise ratios signal tower signal tower signal tower track diagram signal tracer signal tracing signal tracing instrument signal tracing instrument signal tracing test signal track circuit signal tracking signal trailing edge

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