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- The Watts Series530 C are spring operated bronze relief valves designed to be used only as protection from the build up of excessive pressure in systems containing water, oil or air. 美国瓦茨530C系列阀门是弹簧驱动青铜安全阀，仅仅适用于包含水、或气的系统中，用来防止系统内压力过大。
- For effectively designing and operating plunger lift system and grasping the changes of the plunger dynamics and tubing and casing pressure, the dynamics of the upstroke and after flow and buildup stage is simulated. 为了有效的对柱塞举升系统进行设计和操作管理,需要正确预测分析把握柱塞在上下行程中的动态和油套压等参数的变化情况,本文通过对柱塞举升单个周期内的举升阶段、续流阶段和关井压力恢复阶段进行了动态模拟,所做的主要工作如下:
- Equipped with spring operating mechanism,passed all type tests in KEMA(Holland) and CESI(Italy). 配用全弹簧操动机构，在荷兰KEMA和意大利CESI国际实验站通过全部型式试验。
- vacuum and spring operated EGR valve 真空和弹簧控制型废气再循环阀
- The crural footplate that takes spring operates tool set, make the both hands of handlers vacates accurate ground to feed thereby into material. 有带弹簧的脚踏板操纵压模，从而使操作者的双手腾出来准确地喂进材料。
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- The first in China to be equipped with selfenergized interrupter and spring operating mechanism, and the largest quantity in the same type in operation. 国内率先采用自能灭弧室，弹簧操动机构，同类产品中，市场运行量最大。
- This circuit breaker is handcart type, reasonable structure, convenient maintenance, safe usage. With CD10II type electromagnetism operation mechanism of CT19II type spring operation mechanism. 本断路器为手车式，结构合理，维护简便，使用安全可靠。配用CD10II型电磁操动机构或CT19II型弹簧操作机构。
- The product structure adopts three-phase together box type, the outlet and inlet line of sheath pipe, there is dry air in the box, electric spring operation mechanism is installed side of box, it can be used under the crucial environment. 本产品总体结构采用三相共箱式，套管进出线，箱体内为干燥空气，电动弹簧操动机构布置在箱体的侧面，可在较严酷的环境条件下可靠使用。
- Al causes operated to bring about the war. 那场战争的起因有几个。
- The dynamic simulating analysis of disc cam and rolling contact bearing in the spring operating mechanism was performed in ANSYS/LS-DYNA and got some key data of contact forces in the collision process. 在ANSYS/LS-DYNA环境中对盘形凸轮与滚动轴承的高速碰撞过程用有限元数值方法模拟、仿真接触过程,计算碰撞过程中接触力的变化情况及各点的接触力数值。
- The first, in this article analyzed the development of the hydraulic spring operating mechanism and based on the theory of energy and liquid, founded the athletics equation in the case of no load. 本文首先总结分析了当今电力市场上极为走俏的弹簧液压机构发展历史和工作原理，然后根据能量守恒定律和贝努利方程，建立了选用弹簧液压机构的压气式开关在空载情况下的机械运动方程式，分析了弹簧液压机构各有关参数对断路器分、合闸过程的影响。
- Secret Service operated against the country. 战争期间，情报机关展开了对敌行动。
- We look forward to the return of spring. 我们期待着春天的到来。
- Several causes operated to bring about the war. 那场战争的起因有几个。
- An ill marriage is a spring of ill fortune. 不良的婚姻是恶运的来源。
- I am interested in the ten-week trip next spring. 我对明年春天为期10周的旅行感兴趣。
- The surgeon operated on her for a tumor. 医生为她的肿瘤开刀。
- Spring in East China usually sets in about March. 华东的春天一般约在三月开始。
- He'll have to be operated for his tumors. 他的肿瘤得开刀。
