1) two-shot double-pump fast plugging grouting
双液双泵速效封堵
1.
To take the ZK4608 borehole as an example,combined ZK4404 borehole introduced research results of drilling technologies in the mine district,techniques of casing while drilling,direct casing lowering;collect rock powder in due course,sealing while drilling,two-shot double-pump fast plugging grouting,without pump dry drilling core-gripping etc.
以ZK4608孔为主,结合ZZ4404孔,对整个矿区的钻探技术研究结果进行了介绍,总结出该区段的钻探工艺为:跟管钻进、安装飞管、及时取粉、边钻边封、双液双泵速效封堵、无水泵干钻卡取等,从而圆满完成了区内18孔计4260m钻探施工任务。
2) dual-pressure pump
双压泵(液)
3) two-speed pump
双速泵
4) simplex-duplex pump
单效双泵
5) two-disk-like VSD occluder device
双盘状封堵器
1.
AIM: To analyze the efficiency of transcatheter closure of ventricular septal defect(VSD)(using) the domestic made two-disk-like VSD occluder device.
目的:分析国产对称双盘状封堵器经导管治疗室间隔缺损(VSD)的疗效。
2.
AIM: To evaluate the treatment efficiency of transcatheter closure of children ventricular septal defect(VSD) using the domestic-made two-disk-like VSD occluder device.
目的应用国产对称双盘状封堵器经导管治疗小儿室间隔缺损(VSD)并对其疗效进行初步评价。
6) double steam no-jamed pumps
双流道无堵塞泵
1.
This paper introduces waterpower and structure design of double steam no-jamed pumps for sucking sludge.
文中介绍了主要用于吸泥的双流道无堵塞泵的水力、结构设计;该泵具有耐磨性好、效率高、通过能力强、平衡性及可靠性好的特点,经过测试和工程应用证明综合性能好且实用,可广泛用于工农业环保业中。
补充资料：泵额定压差
分子式：
CAS号：
性质：在泵额定工况下，其额定排出压与额定吸入压力之差。额定压差是泵性能的主要考核指标之一。
CAS号：
性质：在泵额定工况下，其额定排出压与额定吸入压力之差。额定压差是泵性能的主要考核指标之一。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条