您要查找的是不是：
- stem seal on valves 阀杆防尘盖
- The seal on the bottle has perished. 瓶子的封记已经腐烂。
- He impressed his seal on the wax. 他在火漆上盖了他的私章。
- The experience set the seal on their friendship. 这一经历确定了他们的友谊。
- The seal on this bottle is broken. 这个瓶上的密封纸破开了。
- That pleasant evening set the seal on our friendship. 那个愉快的夜晚奠定了我们的友谊。
- This award has set the seal on a successful stage career. 获此奖标志著舞台生涯成就的顶峰。
- The presence of numerous international golfers set the seal on the tournament. 大批国际高尔夫球手前来参加这次锦标赛，使其获得世界公认。
- For removal of valve stem seal and lower valve spring guide. 可用于拆卸汽门油封或降低汽门弹簧。
- Backseat ? machined bonnet stem bushing provides back-up stem seal. 后座-经过精密加工的阀盖阀杆衬套实现后座阀杆密封。
- The seal on the ballot box has been tampered with. 投票箱上的封闭物已被损坏。
- Maintenance-free O-ring stem seal with additional stem scrapper. 转柄具O形密合环，不需维护。并另有转柄清洁器。
- The seal on the ballot box have is tamper with. 投票箱上的封闭物已被损坏。
- Wrenches should not be used on valves equipped with hand wheels. 扳手不能用于装有手轮的阀门。
- A seal on a document, such as a letter. 盖章盖在文件（如信件）上的公章
- He impressed his seal on the melted wax. 他在熔软的火漆上盖章。
- I impressed my seal on the melted wax. 我在熔软的火漆上盖了章。
- Just ask the under manager for permission-he'll set his seal on anything. 去问经理助手是否行——他一般会同意的。
- I looked upon the gift as a seal on our friendship. 我把你的礼物看作我们之间友谊的见证。
- Firmly press downward to seat seal on flange. 稳固地向下压将座椅密封压入凸缘中。
