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1)  pumping unit with double offset wobble wheels
双变径摆轮抽油机
1.
An effective method for kinematic calculation of pumping unit with double offset wobble wheels;
双变径摆轮抽油机运动学计算的一种有效方法
2)  dual variable-diameter wheel pumping unit
双变径天轮式抽油机
1.
Pattern selection of dual variable-diameter wheel pumping unit;
双变径天轮式抽油机的选型分析
3)  swing-rod pumping unit
摆杆式抽油机
1.
Based on the geometrical relationship and the kinematic characteristics, the paper presents a mathematical calculation model of kinematic parameters for the swing-rod pumping unit by analyzing its geometry relationship and kinematic characteristics.
实例计算结果表明,摆杆式抽油机运动、动力性能均优于偏置型游梁式抽油机,与之相比,最大净转矩峰值下降了26。
2.
The result showed that the stress of framework of variable-diameter wheel pumping unit was largest, stress difference between front leg and back leg of framework was also largest; that of double donkey heads pumping unit was larger, the stress difference of that was smaller; that of swing-rod pumping unit was smaller and the stress difference of that is small; that of.
结果表明,变径轮式抽油机支架应力最大,前、后肢应力差较大;双驴头式抽油机支架应力次之,前、后肢应力差较小;摆杆式抽油机支架受力较小,前后肢应力差值也不大;常规游梁式抽油机支架受力为最小,前、后肢应力差也较小。
4)  double-extract steam turbine
双抽汽轮机
5)  Double-horsehead beam pumping unit
双井抽油机
6)  double extraction steam turbine
双抽式汽轮机
1.
The causes leading to swaying of servomotor for double extraction steam turbine in Anqing Petrochemical Thermal Power Plant have been analysed from some main aspects, such as setup of system parameters, delay rate of the servomotor, and closed loop control of the double extraction steam turbine etc.
主要从系统参数设置、油动机迟缓率以及双抽机组闭环控制等诸多方面 ,分析了安庆石化热电厂双抽式汽轮机油动机产生晃动的原因 ,并提出了排除故障的应对措施 ,这些措施实施后效果良好 ,提高了汽轮机运行的安全
补充资料:双氢速甾醇 ,双氢速变固醇
药物名称:双氢速变固醇

英文名:Dihydrotachysterol

别名: 双氢速甾醇 ,双氢速变固醇
适应症: 用于治疗血钙过低。其作用缓慢而持久,口服7~10日后始能充分生效,故适于急性甲状旁腺功能不足症状消退后使用。
用量用法:
口服:0.8~2.4mg/次,1次/日,维持量为0.25~1.75mg/次,每日或数日1次。危急患者可自每日8mg开始,每2日减少1/2量,1周后用维持量,每次0.25~1.75mg,每周1次。
注意事项:
过量可引起多尿、口渴、头晕、耳鸣、恶心、腹痛等,肾功能不全患者慎用。急性血钙不足时,应先注射钙剂及甲状腺浸膏,以求速效。
规格: 片剂:0.2mg;胶囊剂:0.1mg、0.25mg、1mg;油溶液:1mg/1ml。


类别:甲状腺用药||维生素AD属
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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