Grooved metal graphite covered(关于垫片)? 1. Grooved metal graphite covered. 是什么垫片? 2. The differential radial thermal growth of gasketed joints with dissimilar materials shall be calculated by the Supplier. The permissible radial differential expansion strain at the gasket reaction load diameter "G" shall not exceed 0.00125 mm per mm. 标红处完全看不懂,请专业人员出手相救。查看更多8个回答 . 2人已关注