roof swing mechanism  炉盖旋转机构

swing-swing method  单像对定向法; 单像对相对方位法

Changing flat roof to slope roof  平改坡

diagonal ridge for hip roof，vertical ridge for gable roof  垂脊

flat- roof-to- slope-roof  平改坡

flat-roof-to-slope-roof  平改坡

flat-roof-to-sloping roof  平改坡

roof pressure roof weight  顶板压力

roof prism (=roof-angle prism)  屋脊棱镜

a swing  千; 秋

a swing around the circle  发表政见的巡回旅行

ADAPTING TO POWER SWING  自适应振荡过程

aluminium alloy door in swing type  转动式铝合金门

ammunition swing devices  翻耕; 摆弹机构

Amplitude of horizontal swing  水平摆动度

amplitude of swing  横振振幅

amplitude swing  幅度变动

angle of horizontal swing  水平旋转角

angle of swing  旋转角