紧凑型夹，尤其是擅长其最小尺寸。
The compact clamp particularly excels by its minimum dimensions.
采用美国红阀公司A型夹管阀的优点很明显。
The advantages and features of using Red Valve Type A Valves are obvious.
美国红阀公司从1953年开始就向采矿业提供A型夹管阀。
The Red valve Company began by supplying valves to the mining industry in 1953 with the Type a valve.
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