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- primary inlet port 主进气口
- The emission control system incorporates both inlet port , induced air motion and compression , induced turbulence for fast and complete combustion. 可译为：发射（或推进）控制系统混合来自进气口的空气，引起空气运动和压缩，并引发空气湍流以加速并完全燃烧。
- Our products include: spray room、clean beach、FFU、effective inlet port、transfer window、clean shelter、dustless cabinet,ionic blower、ionic air pressure gun etc. static electricity-proof equipments. 产品包括：风/货淋室、超净工作台、FFU、高效送风口、传递窗、洁净棚、无尘储物柜、初/中/高效空气过滤器，离子风机、离子风枪等防静电设备；
- Our products include：spray room、clean beach、FFU、effective inlet port、transfer window、clean shelter、dustless cabinet，ionic blower、ionic air pressure gun etc. static electricity-proof equipments. 产品包括：风/货淋室、超净工作台、FFU、高效送风口、传递窗、洁净棚、无尘储物柜，离子风机、离子风枪等防静电设备。
- Two concepts respectively called loss rate of flow coefficient and loss rate of angular momentum were presented to analyze the interference of intake flow through two inlet ports. 为了分析相邻气道的进气气流在缸内干涉的程度及其对缸内涡流运动的影响，提出了流量系数损失率和角动量矩损失率的概念。
- A Upper chamber connected to valve inlet port (pressure port) A上部腔室连接到阀门进口端(压力端口)
- Research on Steady Flow Test Rig for Inlet Port of an Engine 发动机进气道稳流试验台的开发
- Numerical Simulation of Air Flow in an Engine Inlet Port 发动机进气门处气体流动数值模拟
- Applications of Frequency Inverter in the Inlet Port Steady Flow Test Rig 变频器在气道稳流试验台上的应用
- The disease is still in its primary stage. 这疾病仍然在初发阶段。
- Effect of Inlet Port on Performance of Vehicle Direct Injection Diesel Engines 进气道对车用直喷式柴油机性能的影响
- The little boy left primary school at eleven. 这个小男孩十一岁时小学毕业。
- Sure. We are friends since primary school. 当然，我们从小学就是朋友了。
- I started primary school when I was 5 years old. 我五岁时开始读小学。
- A primary cause of Tom's failure is his laziness. 懒惰是汤姆失败的主要原因之一。
- Primary school teachers use a lot of visual aids. 小学教师使用大量的视觉教具。
- Love and hatred are primary emotions. 爱和恨是基本的情感。
- The Democratic primary was held this month. 民主党候选人初选於本月举行。
- Design and Experimental Evaluate of Inlet Port of Four-Valve Cylinder Head of a Heavy Vehicle Diesel Engine 四气门车用柴油机进气道设计及试验评价
- Primary education comes under the umbrella of local government. 小学教育受地方政府的保护。
