So, choose as far as possible to improve the nozzle of small high cutting speed and cutting quality is useful, but the nozzle at low altitude may cause double arc phenomenon.
所以，选用尽量小的喷嘴高度对提高切割速度和切割质量都是有益的，但是，喷嘴高度过低时可能会引起双弧现象。
Induced by the high-speed feed jet flow, the solid particles above the feed nozzle tended to flow down, and a reverse flow zone was formed along the riser wall.
受喷嘴区高速射流的影响，喷嘴上方固体颗粒呈向下流动趋势，形成一个诱导回流区域。
The scarfed nozzle is used in engines which can produce reversal thrust, or to produce revolving torque on turbine rocket engines at high speed.
斜切喷管+常用于产生反向推力，或产生旋转力矩使火箭高速旋转的涡轮式火箭发动机中。
The method of internal combustion with high speed jet nozzle used in the local whole post weld heat treatment of spherical tanks was reviewed.
对球形储罐焊后整体热处理常用的燃油高速喷嘴内燃法进行回顾，并就开始研制的微机自动控制系统做了简介。
A new approach for carrying out ultra-high speed injection molding by storing energy in the melt and controlling injection nozzle was proposed.
提出了一种通过控制前端喷嘴阀门开关使蓄积压力势能的高聚物熔体实现超高速注射成型的新方法。
The hollow-axis motor drives the offset nozzle and rotates the arc on the tip of wire at high speed, so as to ensure enough penetration into the sidewalls in narrow gap welding.
在该系统中，焊丝穿过电机的空心轴后从导电嘴的偏心孔送出，电机带动导电杆和偏心导电嘴旋转，从而使焊丝端部的电弧以一定直径高速旋转，以保证窄间隙焊接接头具有足够的侧壁熔深。
Based on the theory of the phase transition, gas dynamics, this dissertation set up the mechanical model of high speed natural gas flow with phase transition in Laval nozzle.
依据相变理论、气体动力学理论建立了描述有相变喷管中天然气高速流动的数学模型。
Based on the theory of the phase transition, gas dynamics, this dissertation set up the mechanical model of high speed natural gas flow with phase transition in Laval nozzle.
依据相变理论、气体动力学理论建立了描述有相变喷管中天然气高速流动的数学模型。
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