flexible bag软油箱flexibleadj.柔韧的；灵活的；易弯曲的；可变通的flexible machine arm柔性机械臂flexible-hose pump挠性软管泵flexible rubber pipe挠性橡胶软管flexible side-group柔性侧基flexible bronchoscope可曲式支气管镜flexible folding wing挠性折叠翼flexible wrist action灵活的腕部动作flexible construction柔性结构flexible contact wire柔性接触线flexible logical cell可变逻辑元件