double headings

 
  • 双平行煤巷

double headings的用法和样例:

例句

  1. Swimmy desire the person that the symptom such as fall forward, dazed, tinnitus is highlighted increases acupuncture point of double head dimension.
    眩晕欲仆、眼花、耳鸣等症状突出者加双头维穴。
  2. On the basis of research on com harvesters at home and abroad, a double head of picker and forage for sell-walk corn harvester should be designed.
    在国内外玉米联合收获机研究的基础上,设计研制出一种用于自走式玉米联合收获机上集果穗和茎秆同时收获的复式玉米联合收获台。
  3. XXBS Series include : XXBS1 single head and double head,XXBS2 side trimming machine,and double speed side trimming maching.
    XXBS系列削边机有:XXBS1单头削边机、XXBS2双头削边机和简易型双速削边机。
  4. Two double head anti symmetric airfoils have been proposed and the wind tunnel tests on their lift and drag performances have been carried out.
    本文分析了双头车床控制系统的特点,提出了基于单片机构成的嵌入式控制方案,采用步进电动机实现对刀具的拖动定位,简化了控制系统结构。
  5. The use of round instead of elevator guide rail, double head plate facade on a more sophisticated degree of coplanarity.
    采用圆导轨代替电梯导轨,双机头立面靠板共面度更精密。
  6. For example: Inflates the screw, key, double head the spiral, inside and outside hexagon bolt, the horse-drawn vehicle screw, the hexagonal nut, locks the nut, flange surface nut, thin nut and so on.
    如:膨胀螺丝、平键、双头螺、内外六角螺栓、马车螺丝、档圈,销,键,非标准件,六角螺栓,,等六角螺母、锁紧螺母、法兰面螺母、薄型螺母等等。

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