您要查找的是不是：
- Ventilation resistance and ventilation isobar in the workings were measured with barometer. 采用气压计混合读数法测定了综放采场区域的通风阻力及通风等势图。
- Retrograde ventilation is used for Wangjiazhai coal mine, both air leakage and ventilation resistance of the main shaft are largish. 王家寨煤矿为中央并列式通风,漏风量较大,主井通风阻力较大。
- Through ex-ample of lowering ventilation resistance in Nanfeng shaft,application process is introduced with graphic method. 通过对南风井井筒的降阻改造实例,介绍了图解法的应用过程。
- Retrograde ventilation is used for Wangjiazhai coal mine,both air leakage and ventilation resistance of the main shaft are largish. 王家寨煤矿为中央并列式通风,漏风量较大,主井通风阻力较大。
- Objective To determine the ventilation resistance of the Eustachian tube(VRET)and the lowest positive pressure to maintain the opening of the tube. 目的测量咽鼓管通气阻力及维持咽鼓管开放状态的最低压力,进而探讨咽鼓管被动开放机制。
- The standard value of ventilation resistance and coefficient of frictional resistance is very significant to the ventilation management of the mine as the basic data. 标准风阻值和标准摩擦阻力系数值作为矿井通风技术管理的基本资料对矿井通风管理具有重要意义。
- survey of ventilation resistance 通风阻力测定
- Using Air Door for Measurement of Ventilation Resistance in Roadway 利用风门测量巷道通风阻力
- This is a room with good ventilation. 这是个通风良好的房间。
- Her resistance to the proposal has crumpled. 她对这个建议的抵触情绪已化为乌有了。
- Application of EXCEL Software to Data Processing of Mine Ventilation Resistance EXCEL在处理矿井通风阻力测定数据中的应用
- Each of the bulbs has a resistance of120 ohms. 每一盏灯泡有120欧姆的电阻。
- Copper has less resistance than lead. 铜的电阻比铅的小。
- There has been a lot of resistance to this new law. 反对这项新法律的人很多。
- Our troops encountered only token resistance. 我们的部队仅受到表面上的抵抗。
- Resistance stiffened even further last week. 上星期抵抗进一步加强了。
- The enemy gave up without resistance. 敌军没有抵抗就投降了。
- Every line in her face is the line of least resistance. 她脸上的每一根线条，都是阻小最小的线条。
- The ventilation is poor, the lieutenant admits. 中尉承认，通风设备很糟糕。
- Only by determined resistance could their country be saved. 只有坚决抵抗，他们的国家才能得救。
