lifting lug for main body的意思|示意
美 / /
英 / /
主体吊耳
lifting lug for main body的网络常见释义
主体吊攀 lifting lug for equipment installation 设备安装吊耳 lifting lug for main body 主体吊攀 Members' Lifting Lug Design 关于构件吊耳板设计的探讨 ..