短語(yǔ)詞組短語(yǔ)square -billet 方坯Vietnam buy Square steel billet 越南求購(gòu)continuum -casting machine square-billet 方坯連鑄機(jī)Q345B square billet Q345B 方坯square billet caster 方坯連鑄機(jī)q b square billet q345b 方坯cc square billet 連鑄方坯square billet detail 方坯料small square billet 小方坯 返回 square billet