Rings must remain free to function properly and to maintain a good seal. Deposit build up in the ring grooves and on piston lands must therefore be controlled.
活塞环必须保持自由以便能正确地运动及维持好的密封。在活塞环槽内和活塞岸上的沉积物必须被控制。
Revisions proposed by the Federal Deposit Insurance Corporation (FDIC)—on hold for now—would punch holes in this ring fence, say industry groups.
工业团体认为，联邦存款保险公司（FDIC）曾提议的一项修订机制（现在搁置了）会将这个篱笆（指“安全港”规则）凿开一个洞。
Coleman said he's keeping the ring secured in his own safety deposit box.
寇曼说，他把戒指锁在他的保险箱。
In addition, the corrosion deposits on the packings and ring plate would lead to under-deposit corrosion.
同时，不锈钢填料和边缘板上的腐蚀沉积物会引发局部垢下腐蚀。
Collect ring tabs from food and drink cans and clean them. Deposit them at any of our collection points.
收集罐装食品与饮料上的拉环，将它们洗净，然后送至我们的收集处。
Collect ring tabs from food and drink cans and clean them. Deposit them at any of our collection points.
收集罐装食品与饮料上的拉环，将它们洗净，然后送至我们的收集处。
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