EX. PACKING GLAND FOR CONNECTING PIPE

防爆,explosion-proof英语短句,例句大全 ... EX(d).ARMORED-CABLE PACKING GLAND防爆铠装电缆密封接头 EX(d). PACKING GLAND FOR CONNECTING PIPE接管式防爆密封接头 Structural Optimization of Explosion Protection for Siphon Scraper Centrifuge;对虹吸式刮刀卸料离心机防爆密封结构的改进 ...