词汇	right-angle riser
释义	right-angle riser 直角升降器
随便看	system of public procuration system of public service system of publishing planning system of punishment system of punishment and prevention system of qualification prejudication system of quality assessment system of quality control system of quality evaluation system of quality guarantee system of quantities system of quantity System of quasi-equilibrium problems system of quasi-linear hyperbolic equations system of quasi-linear parabolic equations system of quasi-variational inequalities system of quaternion matrix equations system of quota of staff system of radio telephone system of radio telephony system of rail traffic system of rate charges system of rating system of ration use system of rays