Hand wheel,lever and spanner driving and safety valve,pressure reducing valve,traps overleap this symbol.

1、手轮、手柄和扳手传动以及安全阀、减压阀、疏水阀省略本代号。

Should a valve need repair, depressurize and drain the system on both sides of the valve.

如果一个阀门需要，在阀门的两侧对系统进行减压和排放。

Always depressurize a regulator before closing the adjusting knob and removing the regulator from the cylinder.

在关闭调整钮和从钢瓶上断开调整器之前，总是使调整器减压。

Conclusion:The main causes of the disease might be of the retrogressive metamorphosis,compens...

保留柱后结构的髓核摘除、椎管扩大减压的手术效果是满意的。

To describe the clinical applycation of domelike decompression of the lumbar vertebral canal and evaluate the outcomes.

介绍穹顶形开窗减压术治疗腰椎管狭窄症的临床应用,并进行临床疗效评估及生物力学研究。

The first helps you control your vertical velocity to limit the risks of ear barotrauma and DCI.

上升/下降绳可以帮助你控制垂直方向的速度并以来降低耳朵的气压性创伤和减压病症的危险。

Methods 18 cases of calcanodynia were received comprehensive surgical therapy,including resection of bone spur,lysis of plantar fascia and decompression by drilling in calcaneus.

方法18例患者都接受了骨刺切除、跖腱膜松解、跟骨钻孔减压手术。

Objective: To investigate the influences of different drying methods on the contents of imperatorin and isoimperatorin in alcohol extracts of Angelica dahurica.

考察常压干燥、减压干燥、冷冻干燥、微波干燥4种方法对白芷醇提物中欧前胡素和异欧前胡素含量的影响。

Methods Surgical procedures included removal of cranlai hema toma, contusive and necrotic brain tissues, correction of cranio？orbital defor mity,and repair of dure mater.

方法早期手术治疗包括清除颅内血肿和清除挫伤坏死组织，矫正颅眶畸形及视神经管减压、补漏。

Series 909 Reduced Pressure Zone Assemblies are designed to provide crossconnection control protection of the potable water supply in accordance with national plumbing codes.

系列909减压区总成具有饮用水供应系统交叉连接管理功能，符合美国国家管道行业的有关规定。

When metal-bearing solution moved along deep faults to cavities or frac tures, the metal cations reated with pyrite and organic matter and precipitated as sulfid...

在构造减压带中，铅锌配合物交代地层中的黄铁矿或被有机质还原而沉淀富集。

Aiming at the shortage of visbreaker feedstock and fuel oil as well as the surplus of asphalt in Shanghai Oil Refinery, asphalt blended feedstock was tested.

高桥石化公司炼油厂针对减粘裂化装置原料紧缺造成的燃料油供应紧张及沥青出厂困难等情况，采取了以减压渣油掺炼部分沥青作为减粘装置原料的措施。

Conclusion The anterior operation has a significant effect on OPLL, which could resect the ossific tissue directly, decompress the spinal cord completely, and fix the vertebrae firmly.

结论 OPLL经颈前路手术可直接切除致压物，减压彻底，钛板固定可靠，手术效果良好，但手术风险及合并症高于后路手术。

Conclusion Strict aseptic management to surface of wound and continuous gastrointestinal decompression can raise the survival rate of infant with acromphalus, also can improve the remote life quality.

结论严格无菌的创面处理和可靠而持久的胃肠减压可提高新生儿脐膨出患儿的存活率，远期生活质量良好。

This article makes comparative analysis of the sectorization for the sprinkler system used in high-rise building and approaches to the details for pressure reduction and choice of fire-fighting pumps.

该文对高层建筑自动喷水系统的分区进行比较分析,针对减压措施和消防泵选择的一些细节进行了分析和探讨。