For conveniense of maintenance and dismantling, one of the links of the hand chain is open , painted in color and not welded.
为了维护和拆卸方便，手链条其中一节系开口链（不焊，涂色）。
For conveniense of maintenance and dismantling, one of the links of the hand chain is open , painted in color and not welded.
为了维护和拆卸方便，手链条其中一节系开口链（不焊，涂色）。
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