侧墙使用大型中空框架结构的挤压型材，省略了车内的侧柱。
驾驶室的前方设置了前照灯和标志灯，在驾驶员的脚底设置了汽笛用的笛阀。
As compared to carbon dioxide，dry chemical has which advantage?（） Cleaner。 Effective on metal fires。 Greater range。 More cooling effect。
As a vessel changes course to starboard，the compass card in a magnetic compass（）. remains aligned with compass north。 also turns to starboard。 first turns to starboard then counterclockwise to port。 turns counterclockwise to port。
人为地使运动的列车减速或停止运行，称之为制动。
Fires in escaping flammable gas are quickly brought under control by（）
