放气时间 meaning in Chinese

breathing time

Depending the pneumatic delivers to torque , the construction is simple , make and installing the technique request to be low , thermolysis would be better to not as good as ventilated type , the pneumatic capacity is bigger , the aeration and deflate time longer , easy is slippery
靠气胎传递扭矩，结构简单，制造、安装技术要求低，散热条件不如通风型，气胎容积较大，充气、放气时间较长，容易打滑。