In addition to a six-way valve used in conventional autosamplers, a direct injection valve (DIV) was de- signed and used in the autosampler.
除了需要常规自动进样器的六通切换阀，还设计了一个直接进样阀（DIV）用于自动进样器。
Original control principle of hydraulic and electric system have been changed in de-sign of equipment to avoid defects such as folding, burning etc produced in upsetting of large air valve preform.
为防止大气门毛坯在热镦粗过程中产生的折叠、过烧等缺陷，在设计设备时改变了原有的液压控制和电气控制原理。
All of patients underwent direct suture closer or patch method, 10 cases received De Vega tricuspid valve repair, and 3 cases mitral valve repair.
房间隔缺损修补采用直接缝合或心包片修补，同期行三尖瓣成形术10例，二尖瓣成形术3例。
Objective To study clinical curative effect on dural de-stretching suture operation after removing bone valve decompression for the heavy degree skull brain wounded patients.
目的研究重度颅脑伤病人行去骨瓣减压术后硬脑膜减张缝合的临床疗效。
Methods 2-de, M-mode and pulsed Doppler were used to measure left ventricular geometric models, left atrial function and mitral valve flow indices.
方法采用M -型和二维超声技术测量高血压患者左室几何构型，测量各组左房功能及二尖瓣血流频谱指标。
Method 2-de M-mode and pulsed Doppler were used to measure left ventricular geometric model mitral valve and pulmonary venous flow index.
方法：采用M -型和二维超声技术测量高血压患者左室几何构型，测量各组二尖瓣、肺静脉血流频谱。
Method 2-de M-mode and pulsed Doppler were used to measure left ventricular geometric model mitral valve and pulmonary venous flow index.
方法：采用M -型和二维超声技术测量高血压患者左室几何构型，测量各组二尖瓣、肺静脉血流频谱。
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