电梯术语 轿厢壁机械强度 mechanical strength of car panel 轿厢壁机械强度（mechanical strength of car panel... 2021-03-29 0 0 115
电梯术语 轿厢顶检修装置 car top inspection device 轿厢顶检修装置（car top inspection device） 轿厢架顶部... 2021-03-29 0 0 136
