- 重点词汇
- andconj. 和;与;而且;于是;然后
- pinn.大头针，别针；（插头的）管脚；（尤指接骨用的）钉，楔，销，栓；（有别针的）徽章；胸针，饰针；<棋>牵制；发夹, 发叉；（高尔夫球场上用以标示洞口的）旗杆；（接骨用的）钢钉；个人身份识别号码，私人密码；（保龄球等的）木瓶，瓶柱；（弦乐器上调弦用的）弦轴，琴轸；小东西，无价值的东西；（手榴弹上的）保险栓，保险针；（人的）双腿；<英旧>（容量为4.5加仑的)小啤酒桶
- mouldn.铸模;模型;性格;霉;
- ejectvt.驱逐，逐出，排斥;(从内部)喷射;喷出;(从飞机或宇宙飞船)把…弹射出来;(通过法律手续)剥夺(租户)的租用权
- injectionn.注射;注射剂;[医]充血;（卫星等的）入轨;
- heatingn.供暖;供暖系统/设备;
- plasticn.塑料;塑料学;信用卡;
- coolantn.冷冻剂，冷却液，散热剂;
- 相关例句
The land must make a difference too, in the shape of the clouds.
陆地上一定也看得见异常的现象, 那就是云的式样不同.
英汉文学 - 老人与海
We were interested in the shape of the complex in vertical cross-section .
我们对垂直 横剖面 的岩脉组合的形状感兴趣.
词典精选例句
Advanced features are set with individual DIP switches on the main PC Board.
主PC板上独立的DIP开关 能为焊机带来先进的特性.
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The following functions are integrated in the PC board and in front of the operator.
下列功能包括在PC板上,并呈现在操作员面前.
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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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