releasable shank带安全器的铲柄
releasable holder松放式夹持器
releasable sutures可松解缝线
releasable formaldehyde可释放甲醛
Releasable abseil可控式下降;可控式降落
releasable cover可投放盖
releasable spear丢手捞矛
releasable connection可拆连接
releasable energy可释能量;可释放能