“横杆”的拼音？

框架用横杆牢牢固定在后墙上。The frames are secured by horizontal rails to the back wall.一根横杆连接着两根立柱。A transverse bar joins the two posts.这副窗帘需要用7.5英尺宽的横杆挂起。This pair of curtains will fit a rail up to 7ft 6in wide....

“横杆”的英语可以翻译为：cross bar，overarm，beam，rail ...