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confined pressure water head 扬程
He jump into the water head over heels. 他头向下地跳进水里。
Direct connection to mains pressure water supply is not permitted. 严禁直接连在有压力的供水装置上。
The results show that aquiclude of coal seam floor has obvious elimination to water head, and the actual water pressure exerting to the effective water resistant layer is lower than that of aquifer. 结果表明：隔水层的原始导高带对含水层水头具有较大的消减作用，作用于有效隔水层的实际水头压力远小于含水层的水头压力。
Use Aquajet high pressure water unit to remove the ceramic from the flask. 用高压水枪清除金属件上之陶瓷。
Some abnormal fetuses (such as water head, Dandy- Walker's syndrome etc) showed significant extension of WPCF. 部分畸形胎儿如脑积水、典型Dandy-Walker综合症等WPCF明显增宽。
It is also part of the watertight envelope, and subject to the local water head. 它也作为部分水密外壳，并受地方水流影响。
But CO,CH4,C2H4 and C2H6 could not be separated from H2 from gas phase products by high pressure water absorption. 然而，高压吸收的方法不能将气体产物中的CO、CH4、C2H4、C2H6与H2分离.
After a dwell time of approx. 2-3 minutes, rinse the screen from the bottom to the top with high pressure water spray. 让其停留2到3分钟后，再使用高压水雾喷枪由下至上冲洗网布的正反两面。
The results indicate that orifice efficient water head is total water head and is not hydraulic head for uniform discharge along porous pipe. 结果表明，对沿途均匀泄流管道来说，其作用水头不能仅以压头为计算依据，而应以总水头为准。
The working principle of superhigh pressure water cutting machine and its exmaple of application are recommended. 介绍了超高压水刀的工作原理及在石化行业的应用实例。
Due to the high water head of the GHS, the design unit put forward a suggestion of using the pre stressed reinforced concrete spiral case. 高坝洲水电站由于设计水头较高,设计单位建议采用预应力钢筋混凝土蜗壳。
It also provided the theoretical and practical basis for high pressure water jet comminution. 该结果还为具有压力释放效应粉碎机理的高压水射流超细粉碎的研究提供了理论和实验依据。
It indicates that under the design water head condition, the ogee gates work safely in operation, miter gates can open and shut steadily. 监测成果表明押在设计水头运行条件下,反向弧形阀门在启闭过程中运行是安全的,人字门在启闭过程中运行平稳。
There are several barometric pressure water bottles on the tea table in his drawing room. 他家客厅的茶几上有个气压水瓶。
But water head loss of filter for aluminium sulphate polysilicate application will grow quicker than that for aluminium sulphate . 残留的铝含量降低，而残留硅的含量没有增加，但投加聚硅硫酸铝会导致滤池水头损失增加。
Currently, high pressure water jet is the mainstay technology for descaling billets. 高压水射流技术是当今钢铁除鳞的主流技术。
Introduce the situation of using high pressure water jet washing sinter exhauster impeller in sinter plant of Angang. 介绍了安阳钢铁股份有限责任公司烧结厂采用高压水射流清洗技术清洗烧结抽风机叶轮的实践及应用效果。
Gradation of sand column and sediment concentration of muddy water and water head are remarkably effective factors for the fine grain distribution in sand column. 砂柱的颗粒组成、水含沙量和入渗水头对滞留分布产生显著的影响。
But almost any pressure water system should have a freshwater and/or saltwater manual pump and spigot as backup. 但是，几乎任何压力水系统都应该有一个淡水和/或海水手动泵和作为备用的套管。