?套管卡子
... casing grab 套管打捞爪 casing grade 套管钢级 casing grip 套管卡子 ...
发明名称
双卡瓦可回收式套管封隔器
单卡瓦可收回式套管封隔器
With metal finishes, vibrant accents and a grip-action rubber casing, it is built to look good, feel great in your hand, and withstand a little rough and tumble.
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