flexible dam柔性坝flexibleadj.柔韧的；灵活的；易弯曲的；可变通的flexible materials柔性材料flexible formation柔性成形flexible disk pack软盘组flexible actuators柔性驱动器flexible marketing活卖flexible load test柔性载荷试验flexible container挠性容器,软质容器flexible incentive柔性激励Flexible and rigid柔性与刚性flexible transducer弯曲换能器