大家都搜：
密封寿命
1、the life───生平；生命
2、seal───vi.猎海豹；n.密封；印章；海豹；封条；标志；n. (Seal)西尔（人名）；vt.密封；盖章
3、weddell seal───[脊椎]威德尔氏海豹
4、downcomer seal───降液管液封
5、crabeater seal───锯齿海豹
6、apostille seal───使徒印章
7、common seal───n.公章; 海豹
8、gummed seal───粘在那里
9、grey seal───灰海豹
1、After nearly one-year operation, the seal life of the reactor has been extended greatly which has guaranteed the normal production.───经过近一年的运行，该反应釜的密封寿命大大延长，保证了装置生产的正常进行。
2、elections on March 28th and 29th in 13 of Italy's 20 regions were meant to seal Silvio Berlusconi's resurgence after a run of scandals over his private life.───意大利20个行政区中13个定于28日至29日举行地方选举，在经过一系列的私生活丑闻之后，这次选举必须要成为贝卢斯科尼的复兴之役。
3、seal life of LPG loading pump is short because of instant changes of pressure severe operating cases caused by and environmental impact. Thus it causes serious leakage of LPG.───液化石油气(简称LPG)装车泵因压力瞬变和环境影响而工况恶劣，造成该类泵密封使用寿命短，液化气泄漏严重。