built-up beam
[机] 组合梁
built-up connection
[计] 组合连接
built-up crank
[机] 组合曲柄
built-up edge
[机] 刀尖积缘
built-up gauge
[机] 组合规
built-up mandrel
[机] 组合圆棒
built-up molding box
[机] 组合砂箱
built-up mould
[化] 组合模; 组合塑模; 开合压模
built-up pattern
[机] 组合模型
built-up piston
[机] 组合活塞
built-up plate
[机] 组合模板
built-up time
[计] 建立时间
built-up wheel
[机] 组合轮
