超好笑日本女高中生內心世界原來是這樣...
源登企業股份有限公司 - 鎢鋼板, 鎢鋼圓管, 鎢鋼圓棒供應商壓力太大了...人格分裂bj4 Grade Composition Grain Size Density Hardness HRA Transv. Rupture PSI Compressive Strength WC% Co% Other% RG25 88.0 12.0 fine 14.30 1380 90.3 3000 435'000 4.6 RG30 85.0 15.0 medium 14.00 1150 87.9 2900 421'000 4.2 RX7 92.5 7.5 submicron 14.70...
全文閱讀