短语词组短语slidable window 扯窗slidable frame 可移式滤框slidable pedicle screw 滑动椎弓根钉slidable window WESTBANK 扯窗Slidable pedicle screw frame 可滑动椎弓根螺钉框架Depth micrometers with slidable rod 滑杆深度千分尺 返回 slidable