Like Piano Keys的意思|示意

犹如钢琴琴键 High-level use of white granite, low-level bluestone, well looked high and low sub-band, like piano keys, very good-looking, and the anchor has to walk up and pay attention to, are not familiar with who want to walk slowly, must not be bow Quickstep, otherwise they will find at the foot of the anchor are actually glide step.