the oil buffer with air accumulator is a little size buffer which is designed meeting the demand of( development) of high speed elevator.
带皮囊式蓄能器的油压缓沖器是根据现行高速电梯发展的需要而设计的一种小尺寸液压缓沖器。
the motor was installed and adjusted to allow free vertical movement, connections to the chamber pressure measuring system were made, and the oil buffer system was filled.