1) arc skylight
弧形天窗
3) M-type skylight
Ｍ形天窗
4) Rectanglar "window"
矩形天窗
5) V-shape "window"
V形天窗
6) X-shape "window"
X形天窗
1.
For the express passage with passenger transport of high priority and freight transport of low priority,X-shape "window",Vshape "window",alternate day rectangular "window" or intermittent rectangular "window" can be selected according to train operation characteristics.
通过分析矩形、V形、隔日矩形、分时段矩形、分段V形、X形天窗的特点,研究高速客运专线、城际铁路和以客运为主兼顾货运的快速通道3种类型客运专线适宜采用的综合维修天窗形式。
补充资料：弧形
1.半圆形(包括大半圆形和小半圆形)。
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