unsetadj.未装配的(不固定的)vtunsadj.不对称的unshrinkable steel不收缩钢unsimplified Hanziunsatisfied demand未满足的需求unstiffened joints相贯节点unsplit crank case整式曲柄箱unscrambled method非杂乱法, 有序法unsymmetrical fold不对称褶皱unsymmetrical load非对称性负载unsymmetrical plan不对称平面unstablize testing不稳定试井