三托梁
三托梁三托梁[sān tuō liáng]1.■beam with central prop
热门单词
- 一心
- 一次注入量 a shot;
- 一瓢见底
- 一致基准 uniform reference;
- 一身痛重
- 一鼻孔出气
- 万乘之国
- 万向关节吊挂 gimbal;
- 万向虎钳 {工} toolmaker's vise; universal vise;
- 万宝全书
- 万死
- 三体幺正性 {物} three-body unitarity;
- 三位阀 three-position valve;
- 三列轴承 three-row bearing
- 三十而立
- 三原色系数 {物} trichromatic coefficient;
- 三度割线 trisecant;
- 三极式 three-pole;
- 三相交流感应电动机 three-phase alternating-current induction motor;
- 三维大地网 three dimensional geodetic networks;
- 三老四严
