They can meet the requirements of wheel tyre retaining rings of different models of locomotives for rolling.

该机能满足不同型号机车轮箍扣环滚压的要求。

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Retaining rings and snap rings are internal, external and special application rings produced from a variety of ferrous and non-ferrous materials.

我们的紧扣环和卡环是内部，外部和特殊应用环，由各种黑色金属和有色金属制造。

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The mother of nylon lock, metal lock master, K cap, hex nut, cap-shaped, butterfly hats and all kinds of washers, retaining rings, pins and so on.

尼龙锁紧母、金属锁紧母、K帽、六角螺母、盖帽形、蝶形帽及各式垫圈、挡圈、销类等。

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In recent weeks tens of thousands of South Koreans, alarmed by some lurid reports of communist spy rings active in the South, have taken to the streets to demonstrate in favour of retaining it.

ECONOMIST: The case for vigilance versus the case for greater liberty