Conclusion It is convenient and takes less time and the success rate is high when samples are collected though arterial blood gas needle.
结论采用动脉血气针采集动脉血气标本具有应用方便，穿刺所需时间短，穿刺成功率高等优点。
Flanagan just in the use of needles, the accidentally, because only with the needle just a gas furnace can not be used, cut off the catering team, the most desperate means.
那根刚针在使用时，不慎崩断了，由于仅仅带了一根刚针，燃气炉无法使用，队员们断了饮食，最入绝境。
Needle valve pressure better than other valves, sealing performance, it is generally used for small flow, high pressure gas or liquid sealing medium, also used in conjunction with the pressure gauge.
针型阀比其他阀门更能受压，密封性能好，所以一般用于较小流量，较高压力的气体或者液体介质的密封，还可与压力表配合使用。
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