hardboard什么意思？

Ocean freight is approximately $ 28.00 for the insulate board, and $ 10.00 for the standard hardboard, per 1,000 square feet.海上运费, 每1000平方英尺绝缘板约28美元, 标准硬质纤维板为10美元.A microcomputerized control system for hot press in makin...

hardboard的音标：hardboard的英式发音音标为：['hɑ:dbɔ:d]hardboard的美式发音音标为：['hɑrdbɔrd]...