The intraoperative risk factors for POAF include aortic cross-clamp time, bicaval cannulation, valve surgery, and cardiopulmonary bypass time.
心脏术后房颤的术中危险因素包括主动脉阻断时间、双腔插管、瓣膜手术、心肺转流时间。
The application practice has shown that both valves, especially the single cylinder one, are more suitable than sluice valve, ball valve or pipe clamp valve in regulating and controlling the…
应用实践表明，两种阀特别是单柱阀，对矿浆或液体流量、 浓度的调控比闸阀、球阀或管夹阀更适用，在选厂磨矿分级作业自动控制中的大量使用已产生了很大效益。
Unique pneumatic clamp device, the electromagnetic valve control vacuum table, feeding accurately, high-speed, high efficiency.
独特的气动压板装置，电磁阀控制真空吸附台面，上料准确、高速、效率高。
The utility model provides the a valve rod leakage-proof device of a gland type valve, comprising clamp apparatus and special bolts;
本实用新型提供了一种压盖式阀门的阀杆防漏装置。
The present invention relates to a new method for die making and a valve lock clamp making.
本发明涉及一种气门锁夹及模具制造新方法。
The valve is designed to fit into grooved end clamp type fittings and replaces the gasket normally used with these fittings.
这种阀门是为安装于尾端为沟槽的装置而设计的，取代了这种情况下通常的通过垫片安装。
The filter bowl is fixed together with the filter head through the clamp, and is fixed with the dish valve which is fastened on the filter holder.
滤杯通过卡箍与滤头固定在一起，然后与紧固在过滤支架上的蝶阀相固定。
When in use, the user can select different screwdriver bodies on demand, and fix same with the handle with the clamp valve;
使用时，人们可根据需要，选择不同的刀体，利用卡阀将其与手柄固定；
When in use, the user can select different screwdriver bodies on demand, and fix same with the handle with the clamp valve;
使用时，人们可根据需要，选择不同的刀体，利用卡阀将其与手柄固定；
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