Ball Joint Handrailing is one good type of the handrails.球接栏杆是栏杆的一种较好的型式.Posts for removable handrailing shall be secured to the sleeve.移动扶手的标杆要保证套筒的安全....

handrailing的音标：handrailing的英式发音音标为：['hændreɪlɪŋ]handrailing的美式发音音标为：['hændreɪlɪŋ]...

扶栏杆...