Developed from the 15th century " viola da gamba " , the instrument originally had 6 strings and was placed upon the knees to play . a leg was later added , and it marked the beginning of the cello 它的前身是公元十五世纪初的古提琴" viola da gamba " ，这种乐器源于欧洲，原本有六根弦，最初是放在腿上演奏的，后来为方便演奏，加上了支脚，才演变成今日的大提琴。
Patented structure , ptc heating ; hot air blowing for quick dry ; microcomputer chip control , led digital display , optional timing within 3 hours , 500w , provide dismountable hangers , stand feet , mainframe and umbrella parts , hanger buckle for optional positioning and attached with packing bag for storage when unused 专利结构，通过ptc发热，风叶吹出热风将衣服晾干，微电脑芯片控制，电子led发光数码显示， 3小时内任意定时，功率500w ,可提供可拆卸的衣架，支脚?主机?伞架可拆卸，可任意定位的衣架扣，附有包装小袋，便于不使用时收起包装。
