This device is composed of GO-FID, a six-way valve and a vacuum pump, which is controlled by a microprocessor in GC.
本方法采用由计算机控制的GC、大气样品浓缩管、电磁六通阀、真空泵及微处理机组成的全自动连续分析装置、完成定性定量分析。
Photo 2 shows the valves with the valve spring retainers ready to go.
图片2显示阀与气门弹簧家臣准备。
The new findings "go far beyond the fact that 24 ill patients received valve-in-valve replacement. They focus on the next step in the therapy of valvular heart disease," he writes.
这些新发现超越了24例患者接受“瓣中瓣”移植的事件本身，他们致力于心脏瓣膜疾病治疗的新进展，他写道。
Integration and restructuring is the valve industry in China must go through the process.
整合重组是目前中国阀门行业必须经过的过程。
Integration and restructuring is the valve industry in China must go through the process.
整合重组是目前中国阀门行业必须经过的过程。
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