Zero adjustment function, forward adjust is forward biased, reverse adjust is reverse biased.

零点调整功能, 顺时针调整可以偏负, 逆时针调整可以偏正.

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The sufficient protein, the right amount Vitamin and some trace elements have the immunity adjustment function.

充足的蛋白质 、 适量的维生素和一些微量元素具有免疫调节功能.

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The fixed conventional wellhead sealing units which are often used today have no displacement adjustment function.

目前,使用较多的固定式常规型井口密封装置不具备调偏功能.

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