߰ µ ־ ߰ شٰ ̵ַ 길 ȯ ߴٰ ˰ ֽϴ.
µ ð ٽ Ǽ 2000rpm Ÿ鼭 ӵ ȳٰ
15m ڱ Ǹ鼭 ɴϴ. (, , )
Ŭġ īƮδн Ӹ ...
Ȥ ٵ Ȧ ̶ ݾ ɱ?