Seven medium steak medium well : steak internal main harness brown, shallow ash mixed with a few pink, thick texture, has the feeling of chewing.

七中牛排中熟：牛排内部主营褐色，浅灰色夹杂着几层粉红色，质地厚实，有咀嚼的感觉。

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Louping well 3 is a ultra-shallow extended reach horizontal test well with medium-short radius, its displacement-TVD ratio equals to 2.

楼平3井是河南油田的一口超浅层中短半径大位移水平井试验井，不但位垂比达2。

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Mainly used in geology, shallow water, oil, frozen construction well drilling in the supply of flushing fluid, medium for mud, water, can also be used as an infusion pump above.

主要用于地质、水源、浅层石油、冻结施工建井等钻进中供给冲洗液用，介质可为泥浆、清水等，亦可作为以上的输液泵。

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