您要查找的是不是：
- positive pressure head 正压头
- A silicone oil bubbler provides a positive gas pressure head inside the growth tube at all times. 硅酮油起泡器能始终在生长管内产生一正气压位差。
- Curtain coat can be pressure head, flow head (WEIR) or roller curtain coater. 淋涂可能配压力嘴，淋涂滚。
- Positive pressure and negative pressure combines together, making veneer more stable and durable. 正负压力结合，使贴面更牢固持久。
- It is frequently referred to as "pressure head" when expressed in terms of energy per unit weight of water. 当以单位水重的能量来表达时,经常看作为“压头”。
- Small and light, for normal or positive pressure, with thread or plug connector. 细和轻,正常或者原级的压力,有线或者塞子连接器。
- Surge tank in syste m can reservior transient flowrate and dampen out transient pressure head. 系统中设置调压塔可以调蓄瞬变流量和阻尼瞬变压力水头。
- However, during positive pressure ventilation and balanced anaesthesia, there was no evidence of different effects caused by the two anaesthetics. 然而，处于正压通气及平衡麻醉时，这两种麻醉药效果没有差异。
- In this paper,the influence of orifice-induced pressure head on pit corroded piping is studied. 研究了节流孔板引起的压差对含腐蚀坑点的管道系统的影响。
- Firemen should wear proper protective equipment and positive pressure self-contained breathing apparatus. 消防员须身穿保护装置及正压呼吸设施。
- The Dall flow tube is an empirical design with an extremely high pressure head recovery. Dall流量管是具有特别高的压头补偿的实验装置。
- Press-in style means the fan situated in front of the bag-house,which works at positive pressure. 压入是式风机位于除尘器之前，除尘器为正压工作。
- Pump feeding system for drawing-off type storehouse with dense phase under positive pressure. 关键是"引式"的译法，应是用泵把仓库里的液料输送引出的意思。
- This article enters into the clinic application of the noninvasive positive pressure mechanical ventilate technique. 文章对无创正压机械通气技术临床应用进行研讨。
- It is composed of open type engine body, hydraulic power cylinder, upper pressure head, and lower type box. The type box can be collocated with manual four-positions renewal. 有开式机身、液压动力缸、上压头、下字盒等组成。下字盒可配手动四位根据用户要求更换。
- The positive pressure jetting and cementing bucket offshore platform is a new pile-structural platform. 正压冲固基础海洋平台是一种新型平台桩基结构形式。
- Are all cargo tank atmospheres at positive pressure with an oxygen content of 8% or less by volume? 所有货舱舱气是否处于正压状态并且含氧量体积比不超过8%25？
- With three engineering examples, analyses the underheated problem because of deficiency of the pressure head and flow rate, and presents an effective solution to the problem. 摘要结合三个实例分析了供热管网末端用户因压头和流量不足而导致的不热问题，提出了切实可行的解决方法。
- For laying in water and seabed, able to bear positive pressure and pulling force. 适于水中、海底，电缆能承受较大的正压力和拉力的作用。
- The cone impeller lean backwards, the blending quantity is big and the pressure head is small, the advantages are: simple structure and low energy consumption. 这是一种叶片后倾一个角度的锥形叶轮，类似于高比转速的离心泵轮，扬送矿浆量大、压头小、功耗低且结构简单。
