A universal design scheme of automatic open-and-close mechanism for front cover of autonomously developed streamlined train head is proposed.

提出了目前我国自行研制的流线型列车头部端盖自动开闭机构通用设计方案。

youdao

When using the lantern, make sure you dont open the front cover or touch the bulb with your hand.

本灯具在使用时，请勿打开前灯盖用手触摸灯泡，以免烫伤手。

youdao

The high-tech glass pavilion, built in just over a fortnight on open ground in front of the convention centre where the meeting is to be held, is powered by photovoltaic panels which cover the whole of its sloping south-facing wall.

ECONOMIST: The power of the sun