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directional arrow中文是什么意思

发音:  
用"directional arrow"造句"directional arrow"怎么读"directional arrow" in a sentence

中文翻译手机手机版

  • 指向天线

例句与用法

  • Directional arrow to indicate the direction of the pedestrian crossing
    震动器有一个箭咀指示行人过路线的方向
  • Chlorine service ? valves can be provided to meet all specifications listed by the chlorine institute pamphlet no . 6 , including the provision of a vented ball , a flow directional arrow , and are cleaned and bagged to prevent contamination
    氯气应用-可提供能够满足氯气协会第6小册子所列的全部标准和规定的阀门,包括通风球的预备,流向箭头,以及为了防止污染而进行的清洗和包装。
  • Bleach ball valves must be permanently marked externally with : the word bleach ; two opposing directional arrows , one inscribed with flow and the other with vent ; and nsf ( symbol of the national sanitation foundation international , indicating approval for use with potable water )
    漂白剂球阀必须在外部永久性标志:漂白剂;两个反向箭头,一个标志流向,另一个标志排出孔;以及nsf (美国全国卫生设备基金会国际的标记,表示已认证可用于饮用水) 。
用"directional arrow"造句  

其他语种

百科解释

Directional arrows is a type of traffic sign directing people to points of interest such as commuter rail stations, colleges, tourist attractions, neighboring communities and the like.
详细百科解释
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