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1·Check that the air pressure valve is opened.

检查空压阀是否打开。

2·Laughter is a pressure valve which releases muscle tension.

大笑是一个压力阀，它可以释放肌肉紧张。

3·Indeed, he sees the veto system as a kind of pressure valve.

确实，他认识到否决制度是一个压力阀。

4·He says a pressure valve on one of the rocket's fuel tanks showed a drop.

他说，火箭燃料箱的一个压力阀显示压力降低。

5·Nantong High & Medium Pressure Valve Co. , Ltd. has more than 30 years of history.

南通高中压阀门有限公司具有三十多年阀门生产历史。

6· I am immensely proud to take pressure valve, lift the lid, and said: Mom, try my skill.

我洋洋得意地拿掉压力阀，掀开锅盖，说：“妈妈，尝尝我的手艺。”

7·A quantitative packer with negative pressure valve port relates to a powder packer technique.

负压式阀口定量包装机涉及一种粉料的包装机技术。

8·The operating principle, structure and advantages of dual controlled gas constant pressure valve are analyzed.

分析了双控燃气稳压阀的工作原理、结构和优点。

9·Pressure valve test can be conducted in a dedicated test rig can also be carried out in an integrated test bed.

压力阀的测试可以在专用的试验台上进行，也可以在综合性试验台上进行。

10·An over review of the proportional pressure valve and proportional flow valve at home and abroad is summarized.

综述了比例压力阀和比例流量阀国内外的研究进展，并且对比例阀未来的发展趋势进行了展望。