prolongating
vt. 延长，拉长；拖延
第三人称单数 prolongates
现在分词 prolongating
过去式 prolongated
过去分词 prolongated
例句
To protect water hammer, the technologies of enlarging slow-closing time, prolongating closing distance of run and pressure relieving are adopted in this device.
为防止水击采用减缓关闭时间，拉长关闭行程和向外泄压等措施。
