- 重点词汇
- pcabbr.personal computer 个人计算机;price(s) 价格;percentile 百分点;percentage 百分数;
- mountingadj.上升的,增长的;
- boardn. 板;董事会;甲板;膳食;
- ofprep. 关于;属于…的;由…制成;
- componentsn.(机器、设备等的)构成要素,零件,成分;成分( component的名词复数 );[物理化学]组分;[数学]分量;(混合物的)组成部分;
- densityn.密度;稠密,浓厚;[物]浓度,比重;愚钝;
- onprep. (覆盖、附着)在…上;由…支撑着;在(运输工具)上;在(某一天);就在…之后;关于(事或人);(身上)带着;为(某团体或组织)的一员;吃;(表示方向)在,向,对;在,接近(某地);根据;以…支付;通过;与…相比
- improvev.改进;提高;康复;超过;
- 相关例句
When packaging the circuit, pay special attention to the pc board's layout.
封装电路时, 需要特别注意电路板的布局.
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Trayed & Potted PC Board-Ensures long life in harsh conditions.
具有涂层 和 密封的PC板 —— 在恶劣的环境中,确保PC板使用寿命长久.
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The pumping unit driven by a linear motor has been successfully used in field.
直线电机驱动抽油机已经成功在油田应用.
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The design scheme and working principle of a broad-belt hydraulic pumping unit are presented.
提出了宽带液压抽油机设计方案,以及设计结构和工作原理.
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这种工作机构为单一的 连杆机构,具有承载能力大 、 寿命长、制造容易的优点.
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针对抽油技术的现状和存在的问题,设计了一种不同于有杆抽油方法的井下自动跟踪式抽油装置.
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The gear box of pumping unit's lubricating and leaks had seriously affected pumping unit's work.
抽油机减速箱的润滑和漏失问题已经严重影响了抽油机的正常运转,引起了人们的重视.
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The pumping unit described in this article consists of a frame-mounted mechanical reversing drum.
齿轮式无游梁长冲程抽油机为机械换向台架式滚筒抽油机.
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At present , the widely-used pumping unit is the surface drive device in the rod pumping system.
抽油机是有杆抽油系统的地面驱动设备.
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The walking-beam pumping unit has not been fit for oil production in special wells defects.
游梁式抽油机—抽油泵装置已越来越不适应一些特殊油井开采的工艺要求.
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Finally author advances a idea about the advantage and foreground of power saving pumping unit.
最后还提出了节能抽油机的优点以及应用前景.
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This kind of pumping unit will promote energy-saving and production costs cut.
新型抽油机对油田的节能降耗,降低成本将起到推动作用.
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Due to the brittle materials, masonry structure has a poor performance in earthquake.
砌体结构由于其材料的脆性性质, 抗震性能较差.
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