1) Multi-head pump
多头泵
2) multihead metering pump
多头计量泵
3) multiple-threaded PCP
多头螺杆泵
1.
The multiple-threaded PCP has characters such as large displacement, high efficiency, low energy consumption and good mechanics characteristic of rotor compared with single-lobe PCP and has been gradually promoted in the international community.
本文从螺杆泵线型理论分析入手,根据满足理论密封性的共轭线型骨线方程,建立了多头螺杆泵各种线型的直角坐标参数化骨线方程,具体包括普通内摆线型、普通外摆线型、短幅内摆线型、短幅外摆线型和内外摆线型共五种常用线型。
4) Fluid end
泵头
1.
The fluid end of the plunger pump was analyzed with three-dimensional finite element method,and the distribution law of stress at the fluid end was obtained.
对某柱塞泵泵头体进行了三维有限元分析,获得了泵头体的应力分布规律,并应用ANSYS软件对泵头体的结构进行了优化,为类似的壳体零件的优化设计提供了依据。
5) shaft head pump
轴头泵
1.
This paper has analyzed the reason of the fault frequently occurred on shaft head pump of Ⅳ stage centrifugal compressor with double - axis and pointed out the relevant transformation measures.
分析了双轴四级离心式压缩机轴头泵频繁发生故障的原因,提出并实施了相应的改造措施,取得了满意的效果。
补充资料：多头
| 多头 bull 交易所中商人利用期货买卖方式进行的不交割实物赚取买卖差价的一种投机活动。空头的对称，又称买空。多头是预料某种证券或商品行市上涨时，买进期货或商品，但不收进实物，买者只缴存少量保证金，企图在期货到期前，以较高价格转卖，从贱买贵卖中取得利益。 |
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