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- internal valve flow 内部阀流
- The injector button head must be unscrewed one half turn to open the internal valve before injecting grease. 在注入润滑油之前，注入器圆头螺栓必须拧松半圈，打开阀门内部部件通道。
- PVF spectrum and mitral valve flow spectrum can be used to evaluate left ventricular diastolic function of RH children. PVF频谱与二尖瓣血流频谱对评价RH左室舒张功能有参照意义。
- All internal valve components shall be removable and repairable while the valve body remains in line. 在阀门处于在线状态下所有阀门部件都是可拆卸和可维修的。
- Periodically service and clear dirt on screen and internal valve,assuring nominal working. 要定期清除过滤网前和阀内的污物，保证疏水阀正常工作。
- This will tend to preserve the internal valve, avoiding disruption of the dorsal aesthetic lines, and inverted V deformity, and airway compromise. 这样做可以保持内鼻阀，避免鼻背美学线的中断，预防倒V畸形出现和气道完整性破坏。
- Numerous treatment options have been proposed in the literature to reduce the mass of the turbinates and therefore improve the passage of air through the internal valve. 在文献上已提出许多治疗方案以缩小鼻甲体积，并因此提高内鼻阀的通气量。
- Ball Check valves MUST be installed with the valves FLOW arrow pointing in the direction of flow. 安装球体止回阀时必须使阀体上的流向箭头指向流体流向。
- Pacific Valves' unique injector has a double ball check protection against leakage and a positive shut-off internal valve. 美国太平洋阀门独特的注入器具有双球止回保护，防止泄露，并保护阀门内部活动部件。
- The Study of ERF Flat Gap Valve Flow 电流变液体平板缝隙阀式流的研究
- Have you turned off the water valve? 你关掉水阀了吗？
- I can send him a note via the internal mail system. 我可以通过内部通信系统给他发个通知。
- The convoy commodore sees to the internal management of the convoy. 舰队司令官负责管理舰队的内部问题。
- This valve regulates the flow of water. 这个阀门控制着水的流量.
- We need an eye bolt to fit this valve. 我们需要一个有眼螺栓来固定这个阀门。
- This is not the season for internal quarrels. 现在不是内部相争的时候。
- I talked to him on the internal telephone. 我在内部电话上与他交谈。
- There was a rapid increase in internal trade. 国内贸易迅速增长。
- He soon detected the faulty valve. 他很快查到了出毛病的阀门。
- Vacuum Filler with internal valves 阀内置式真空灌装机
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
