Bady casfins of grinding machine 基本例句 床身 A feather bed enervates the body of a child.小孩睡羽绒床身体会变弱。 There are three lifting holes and one lifting bolt hole on thefront and rear of the machine bed for plugging lifting hooks or bars.床身前后共有三个起重孔和一个起重螺栓孔，用以插入起重工具。