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- sinking by vacuum negative pressure 负压下沉
- vacuum negative pressure blood samples collection 真空采血法
- vacuum negative pressure reshaping 真空负压整形
- Keywords composite material;ZL109 alloy;extrusion casting;vacuum negative pressure reshaping;piston; 复合材料;ZL109合金;挤压铸造;真空负压整形;活塞;
- vacuum negative pressure 真空负压
- The negative pressure loop should be noted. 应该注意到负压的腹点。
- This negative pressure phase is of short duration. 负压周期的延续时间很短。
- A vacuum pump creates negative pressure for correct operation of the filtrate recovery system. 真空泵产生的负压是保证滤液回收系统的正确运行。
- The Gating Design for Negative Pressure EPC. 负压消失模铸造原料磨衬板的浇注工艺设计
- Intrapleural pressure is usually negative pressure. 胸膜腔内压通常为负压。
- A reversal of normal flow in the system caused by a negative pressure (vacuum or partial vacuum) in the supply piping. 由供应管道内的负压力(真空或部分真空)产生的系统内正常流体的倒流。
- Vacuum may be thought of as the absence of pressure. It is the measure of negative pressure between standardized atmospheric pressure and a theoretically perfect vacuum. 真空可以被认为缺少压力。真空是以标准大气压的负压和理论完全真空来测量的。
- Operated at sealed negative pressure and designed by GMP. 密封负压操作,按gmp规范设计。
- Through the research that managed for jet spraying mechanism, with vacuum and negative pressure effect of jet, the inhale row mathematics model of spurted lampblack is established. 摘要通过对射流喷射机理的研究,利用“喷射”的真空负压效应,建立了油烟喷射吸排数学模型。
- Using negative pressure air pipe to ventilate for the being constructed tunnel. 使用负压风管对在建隧道进行通风换气。
- Negative pressure aspirator is necessary to every clinical sections. 负压吸引器是各个临床科室所必备的医疗设备。
- Negative pressure vacuum heat wall furnace 负压真空热壁炉
- Positive pressure and negative pressure combines together, making veneer more stable and durable. 正负压力结合,使贴面更牢固持久。
- Can ensure furnace negative pressure automatic and relative protection to normally running. 可确保炉膛负压自动及有关保护的正常投运。
- The negative pressure causes the acceleration of the Universe, as observed from the type Ia supernova observations. 负压强令宇宙膨胀不断加速,就有如从观测Ia型超新星所得出的结论一样。