1) internal clamp
对口器
1.
Selection of backup shoe s material for pipeline pneumatic internal clamp;
管道气动内对口器衬垫材料的选取
2) pipe external aligning device
外对口器
1.
In the construction of a long distance pipeline with high pipe material hardness, thin pipe wall and big caliber ellipticity,general pipe external aligning devices are difficult to comply with quality standard.
在长输管道施工中,如果采用外对口器对口,当管道材质硬度较高、管壁较薄以及管口椭圆度较大时,采用一般的外对口器很难达到质量标准要求。
3) internal clamp
内对口器
1.
Research and application of pipeline pneumatic internal clamp;
管道气动内对口器研究与应用
2.
The characteristics of φ1219 pneumatic internal clamp with copper liner and its research and application status quo at home and abroad are introduced.
介绍了带铜衬垫管道气动内对口器的特点及国内外的研究应用现状,分析了φ1219mm带铜衬垫管道气动内对口器的系统结构和工作原理。
3.
When the pipe liner pneumatic internal clamp device with a copper backing was carrying out the circumferential backing welding,the seams in the different positions of the copper content were accurately measured.
针对采用带铜衬垫的管道气动内对口器进行管道环焊缝根焊(打底焊接)时,对带铜衬垫根焊的焊缝不同位置铜含量进行了测量。
4) pneumatic inner aligning device
气动内对口器
1.
Pipe pneumatic inner aligning device is a special machine used to implement fast and accurate pipe connection.
管道气动内对口器是管道施工中实现管口组对的一种专用机具,可为施工现场提供快速、准确的管口组对。
6) absolute window voltage comparator
绝对值窗口电压比较器
1.
To get the problem solved,a protection circuit has been designed,which contains a micro-current amplifier,an absolute window voltage comparator,an ultra-range tips circuit,a UREF benchmark constant voltage source circuit,and an executive circuit.
针对这一问题,设计了一个保护电路,整个系统由微电流放大器、绝对值窗口电压比较器、超量程提示电路、UREF基准恒压源电路、执行电路构成。
补充资料:口器
生在节肢动物口两侧的附肢,主要有摄食、感觉等功能。蜘蛛的口器包括两对附肢(蜘蛛不是昆虫),昆虫的口器包括上唇一个,大颚一对,小颚一对,舌、下唇各一个。由于昆虫的食性非常广泛,口器变化也很多,一般有5种类型:①咀嚼式口器,如蝗虫;②嚼吸式口器,如蜜蜂;③刺吸式口器,如蚊、虱等;④舐吸式口器,如蝇;⑤虹吸式口器,如蛾、蝶等;其中咀嚼式是最原始的,其他类型均由咀嚼式口器演化而来。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条