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- Ball valve design includes reinforced/enhanced PTFE seats and electroless nickel plated brass ball, blow-out proof pressure retaining stem, and low profile oval handle. 球阀结构包括强化聚四氟乙烯（PTFE）阀座和非电解镍镀层黄铜球体，防吹出压力保持阀杆，以及低矮型椭圆手柄。
- Every club faces the challenge of involving and retaining members. 每个扶轮社都面临吸收及防止社员流失的挑战。
- It utilizes the multi-cylinder synchronization technology to expand and retrieve the internal mold with pressure retaining technology to keep the internal mold expanded during casting of box girders. 该液压系统采用多缸同步技术来张开和收回内模板,并采用保压技术来保持箱梁浇铸时内模板张开的状态。
- The continuing education of current members is fundamental to retaining members and ensuring overall club success. 现有社员持续的教育是留住社员及确保扶轮社全面性成功的基础。
- The primary responsibility for educating and retaining members is at the club level. 而教育及留住社员的主要责任是在扶轮社的该层级。
- weight type pressure retaining valve 重量式保压阀
- pressure retaining concrete placement 保压混凝土浇筑
- How to retain members in your Club with powerful and meaningful Education Programs. Membership retention is the turnkey to Success in Club Operations. 如何通过有效又有意义的培训项目来留住您俱乐部的会员。会员保持率是俱乐部运营成功的法宝。
- pressure retaining equipments in NPP 核承压设备
- nuclear pressure retaining component 核承压设备
- nuclear pressure retaining components 核承压设备
- the pressure retaining valve bearer 保压阀支架
- The beer comes out of the barrel under pressure. 啤酒受到压力从桶中流出。
- Our pressure vessel is licensed product. 我厂生产的压力容器是授权生产产品。
- Loss of pressure had not registered on the dials. 刻度盘未记录压力下降。
- Air pressure forces the water through the pipe. 空气压力使水通过管道。
- What's the atmospheric pressure today? 今天的气压怎么样？
- The water pressure may need adjusting. 水压可能需要调整。
- Pressure is force per unit area. 压力就是电单位面积上的力。
- He drop out because of the pressure. 由于校规很严，所以他退学了。
