显字管 [电子] charactron ; [电子] character-forming tube ; character display tube
数字管 [电子] nixie tube ; digit tube ; numerical indicator tube
丁字管 pipe tee ; T-tube ; tee ; pipe tee T-tube
字符印字管 alphanumeric printing tube
马尔塔十字管 Maltese cross tube
十字管 cross tube ; cross pipe
平面数字管 planitron
数目字管理 mathematically manageable
乙字管 offset
丁字管节 T-pipe
虽然他们的工作看似简单，但是他们为维护首都的交通秩序做出了很大的贡献。 在绿灯亮的90秒内，有交通协管员的时候，40辆车可以通过十字路口，没有交通协管员的时候只能通过15辆。
"During the green light, which lasts about 90 seconds, about 40 vehicles can pass the crossroad with an assistant keeping the order, " says Zhou Zhentong, leader of Zhongguancun traffic police team.
文章以历史比较研究的方法，从谱式、谱字、南琶指法、管门四方面进行分析，旨在探索《文焕堂指谱》的历史价值。
With historical comparative study, the article analyses its score formula, score character, finger model of Southern Pipa and pipe tune as four aspects to probe historical value of Wen Huan Tang Fing.
十字隆凸通常位于上、后半规管壶腹嵴的中部，与壶腹嵴的长轴垂直。
Usually being located at the middle of the cristae of vertical semicircular canals, the eminentia cruciata protrudes perpendicularly to the long axis of the crista.
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