Bottom Bar 下鼠笼条; 下层线棒; 舵叶底板; 下层铜条
Bottom Chord 底弦杆; 下弦; 底弦; 下弦材
bottom chord internal force method 下弦内力法
bottom chord stress 下弦杆应力
side frame bottom chord 侧架下弦杆
bottom produce bottom product 轴制动马力
bottom product bottom produce 箱形括矿机
Chord angle and chord length method 弦角弦长法
bar code, bar code reader 条形码阅读器; 条形码
bar machine ice bar freezer 棒冰冷冻机
bar to bar insulation 片间绝缘
bar to bar resistance 片间电阻
bar-to-bar test 换向片片间试验; 片间试验
bar-to-bar voltage 片间电压
bar-to-bar voltage peak 片间最高电压
five-bar linkages similar to four-bar linkages 类四杆五杆机构
(pressure)gauge with bottom connection 径向压力表
100 t Top and Bottom Combined Blown Converter 100t顶底复吹转炉
180 t Top-Bottom Combined Blow Converter 180t顶底复吹转炉