Pressure pump是什么意思

网络释义

用法例句

Aim To study the physical and mechanical properties of energy increased deterred propellant.

目的研究高氮量单基火药吸收硝化甘油增能及钝感以后的物理、力学性能。

In this paper, the high nitrogen single based propellant (HNSBP) energy was increased by absorbing nitroglycerin and coated at first, then, the combustion and ballistic properties of this energy increased coated propellant (EICP) were studied.

首先对高氮量单基火药进行吸收硝化甘油增能及钝感包覆，然后研究了这种增能钝感包覆火药的燃烧性能和弹道性能。

A kind of energized liquid and processing technology of energizing and acidizing are developed in accordance with the oil water wells that are of low energy and have been plugged by organic and inorganic matter.

针对地层能量低、受有机和无机质混合堵塞的油水井 ,研制了一种增能液及增能酸化处理工艺 ,该工艺发热产气量大、解堵能力强 ,能在地层自发形成稳定的泡沫液 ,返排效率高。

So "teacher empowerment" became widely concerned in the course of school education improvement.

20世纪80年代中期,美国教育改革"第二次浪潮"在追求教师"专业化"、强调通过增强教师的力量来提高教学专业化水平,以实现学校教育改进的过程中,"教师赋权增能"成为人们普遍关注的问题。