将电路板放置在焊台上，针对需要焊接的通孔元件管腿，选择合适的喷锡口，启动波峰焊接。
The circuit board is placed in the welding stage, the pins through hole components welding, choose appropriate spray tin, soldering start.
对于强制循环系统，为了避免循环水动力的多值性，设计均要求在每一根水冷壁管设置节流孔板。
For the forced circulation system, to avoid the excessive values of circulation water dynamic, every water cooling tube must be mounted throttle plate in the design.
用内孔焊结构代替传统的端面焊结构是提高换热器管子与管板焊接接头抗应力腐蚀和缝隙腐蚀稳定性的根本途径。
Substituting inner-hole welding construction for traditional end surface welding construction is a fundamental method for raising the stabilities of anti-stress corrosion and anti-slit corrosion.
可行时，液体物料应该用经过正确校验的立管来检测储罐或用孔板流量计、转子流量计或容积式流量计来测量；
Wherever practical the measurement of liquid streams shall be by standing gauges of properly calibrated tanks or by orifice meters, rotameters or displacement meters.
针对合成氨系统的大型压缩机组管系振动问题，深入分析了原因后，采取在管道中加装节流孔板的措施，使管系振动得到了有效控制。
To solve the problem of pipes vibration of large-sized compressor in ammonia plant, orifice plates are installed after thorough analysis of the causes of vibration, effectively solved the problem.
简述了椭球形管板非径向孔加工的几种较实用方法。
It briefly describes several practical methods for machining non-radial hole on spheroid pipes.
由于冷端孔板的阻隔，外层气流便高速螺旋状向热端管运动，流动的涡流特性也同时向热端管运动而逐渐减弱。
As a simple device without moving parts, vortex tube is composed of nozzle, vortex chamber, separating plate, control valve, hot-end and cold-end.
应用该系统详细测量了单孔板和双孔板管流的轴向和径向平均速度。
Detailed measurements were made in a pipe flow for single and double orifice cases by using: this system.
一种散热鳍片穿孔涂布工具及涂布方法，该工具为一灌入有导热介质的 中空管体，而在管体的一端周缘上设有数个出料孔，并在邻近该出料孔的下 方周缘处环设有具弹性的刮板；
The related perforating coating tool for a heat-conducting fin comprises: a hollow tube filled with conductive medium, some discharge holes on one end of the tube, and a spring scraper under the hole.
管摇床培养与24孔板法相结合，有效地提高了筛选速度和成功率。
It was demonstrated that 50mL-tube shaking culture combining with the 24 well-plate assay could increase the screening speed and successful chance.
管摇床培养与24孔板法相结合，有效地提高了筛选速度和成功率。
It was demonstrated that 50mL-tube shaking culture combining with the 24 well-plate assay could increase the screening speed and successful chance.
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