尤其是旋转接合面大小必须减低到最低限度做较高压力的旋转接合。
Especially the area of contact face of rotation has to be minimized to the minimum to allow rotation connection under high pressure.
尤其是旋转接合面大小必须减低到最低限度做较高压力的旋转接合。
Especially the area of contact face of rotation has to be minimized to the minimum to allow rotation connection under high pressure.
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