metal ring 金属环 ; 金属环八角垫
Metal ring fastener 五金环扣
brass metal ring 黄铜合金环 ; 黄铜环
bronze metal ring 青铜合金套圈
metal ring binding 何谓金属圈装
Intalox Metal Ring Packing 金属鞍环填料
O-shape hollow metal ring 金属空心O形圈
ring joint metal gasket 环形连接金属垫片 ; 环形连接金属介子垫片
Electricity, meanwhile, is delivered via a conductive brush that sweeps around a metal ring in the stationary base.
同时，固定地基上有一个(供电的)金属环，房子通过绕着此环旋转的导电刷来获得电能。
If someone were to ask you what makes a ring a meaningful object — the circle of metal it consists of, or the emptiness that that metal encompasses?
如果有人问你是什么让一枚戒指成为一个有意义的物体——是它包含的一圈金属，还是金属中间的空洞？
If you rap it with your knuckle, you hear the thwack of gypsum rather than the ring of cold metal.
如果用指关节击之，你能听见石膏的闷响，而非冷冰冰的金属发出的鸣响。
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