pressure over-center valve是什么阀

pressure over-center valve是什么阀 go over pressure是什么意思?go 翻译 over pressure soon be die the blood pressure was 139 over 84 pressure pressure pressure? pressure wates2695液相中plunger homing over pressure中文什么意思 Pressure Mounts Over BNP 'Propaganda' 有谁能帮我翻译这句话 Center center Center center 请问高手这句话是什么意思啊``非常感谢`over pressure device assembly这句话什么意思啊`非常感谢``over pressure device assembly 英语翻译Just before it rains,odors become stronger,this is because odors are repressed in a fair high pressure center这句话怎么翻译? those of us who are over fifty years old should get ----blood pressure checked regularly.those of us who are over fifty years old should get ----blood pressure checked regularly.答案为our.为什么不是their? You can also go to shpping center to buy things from all over the world 的翻译