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在风压计算时主要考虑以下因素： 1、通风柜移动门开启至最高位置时，在达到《排风柜》JB/T6412-1999技术标准规定的排风量和面风速保持/s的条件下，排风柜阻力应70Pa。
（3）工人工费，3人，每屯生产工费成本为70元。
喷雾干燥通常用于固含量为60％或更少的溶液。
NBS型周边传动浓缩机,主要用于大型(一般指水量大于600m/h,池径大于20m)污水厂，对初沉及二沉池排泥进一步浓缩,浓缩污泥含量相对较多,竖向栅条主要起缓慢梳理凝聚作用,以增加污泥致密性，工艺一般为中心进水,周边出水,中心排泥，一般不设浮渣刮集装置。
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钢坯被送入熔炉内加热，温度大约为1200摄氏度。
结构原理电动风量控制适用于送风或排风风量范围约为5:1压差范围20至1000pa气流控制精度高，必须保证风管布置满足最佳气流特性。
2.地源热泵的清洗减少了事故，提高了制冷效果。
洁净手术室设计规范第一条 为适应医院洁净手术部建设的需要，满足医疗事业发展和科技进步的要求，提高投资效益，制定本建设标准。
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近几年由于原油的日趋紧张和各单位对原油计量的高要求，对原油计量提出实行系数交接，即除了每半年对流量计进行一次周期检测后，贸易交接双方协商每1个月或2个月对流量计进行检定确定流量系数，每天根据流量计计量的数据与流量计流量系数计算出数据进行交接，以提高流量计的准确度，也称为零误差交接。
大家玩儿后，也就是两天后，去取行李，帮德运的员工很耐心的把所有物品拿了出来，大家检查了，物品没丢没坏，完好无损。
石化系统的用户在使用实践中,已认识到发展我国增安型和无火花型电机的必要性。
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