铜环 meaning in Chinese

copper collar
copper rings

[ dot ] getting down to the wire
那把钥匙铜环都拿掉
Must get those settled really
真得让人把铜环修好。
The metamaterial is made of an array of tiny copper loops and wires
这种材料是以大量的极小铜环和铜线制成。
Shipbuilding . shaft lines . zinc - tin - copper rings . constructional principles
造船工业.轴线.锌锡铜环.制造原则
Marine combination pipe flanges , slip - on steel outer flanges , braze - on brass inner flanges
船用焊接铜环松套钢法兰

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