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- double close end spanner 双头活动扳手
- closed end spanner 闭口扳手
- Valve Disadvantages: The valve is difficult to close and requires the operator to double close the valve. 阀门的缺点：阀门难以关闭，要求操作者二次关闭阀门。
- With horn-type fixtures, the welding should be toward the closed end. 用牛角形的工装;焊接应向在尾部.
- When disconnecting cylinders with diaphragm valves, it is most important to double close the valve and to properly install the outlet seal. Failure to use this procedure can result in release of the product into the environment. 当切断钢瓶和隔膜阀的连接时，两次关闭阀门和正确安装排气口密封是最重要的。不采用这个程序会导致产品泄漏入环境。
- Urethral ball gland: Control each one, be located in uric reproduction midriff between fluctuation muscle film perineal inside deep pocket, mouth at ball ministry urethral close end. 尿道球腺：左右各一，位于尿生殖膈上下筋膜之间的会阴深囊内，开口于球部尿道近端。
- Unlike open-end mutual funds, closed end funds do not stand ready to issue and redeem shares on a continuous basis. 与开放式基金不同的是，封闭式基金不持续地创造和赎回基金单位。
- While still squeezing the closed end, use your other hand to unroll the condom gently down the full length of the penis. 当用手指按安全套前端，把空气挤出时，用另一只手把安全套套住整个阴茎直至阴毛部份。
- Application of the double closed loop control has already been popular in SMPS, because such a system has a fast dynamic response and good stability. 其磨床改造方案是采用单片机作为控制系统,步进电机作为驱动执行装置的闭环控制系统。
- To avoid this, squeeze the closed end of the condom between your forefinger and thumb and place the condom over the erect penis. 因此先用拇指及食指按安全套前端，把空气挤出，然后套在勃起的阴茎上。
- A high-pitched woodwind instrument,a slender tube closed at one end with finger holes on one end and an opening near the closed end across which the breath is blown. 一种高调的木管乐器，一端用手指封死，在封死的一端留有一个小孔以供吹奏。
- Double open end spanner meter 公制双头开口卡扳手
- For meat filling balls, people usually leave the closing end pointy, to mark it differently from the sweet filling ones. Otherwise it'll be hard to tell which one is which. 这尖尖是用来标记咸的汤团的。否则元宵节的时候,又是甜的又是咸的,都包成圆圆的汤圆,光看外表几乎看不出不同了。
- Aimed at characters of large-power EAF's smelt procedure, this paper implements intelligence intergrated control system, by using double closed loops' structure: the inner current loop and the outer temperature loop. 针对电弧炉冶炼生产过程多变量耦合、变非线性、时延和强干扰等特点,采用了温度控制外环和电流平衡控制内环的双环路结构,并实现了电弧炉温度和电流平衡的智能集成控制。
- As for software design, the system consists of the double closed loop of questing troughs arithmetic and down fluting depth arithmetic, in both arithmetics working in turns until all troughs of electromotor are machined. 在软件设计上，系统由找槽控制算法和下刻深度算法双闭环控制组成，槽控制算法与下刻深度算法之间相互切换直到加工完电机的所有槽。
- double open end spanner 双头扳手
- Abstract： The system control structure which can realize adjusting speed and diff erency frequency double closed circle adjusting speed of the general frequency c onverter is introduced. 介绍了采用通用变频器实现转速、转差频率双闭环调速系统控制结构，在实验基础上对起动过程进行了分析。
- He is working double tides to finish his essay. 他日夜苦干，赶写他的文章。
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- A high-pitched woodwind instrument consisting of a slender tube closed at one end with keys and finger holes on the side and an opening near the closed end across which the breath is blown. 笛由一根一端封闭的纤细管子组成的高音木管乐器，侧边有按键和指孔，靠近封闭端有一个使气流进入的开口
