CONNECTED magazine n°7
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學(xué)習(xí)與探索
環(huán)保兩棲泵
巴西泵業(yè)先鋒HIGRA提供獨特的兩棲泵解決方案，兼具高效能與堅固耐用，不影響環(huán)境。
multi concentric contact connector
Multi concentric contact connector is a new range of products dedicated to setups where connectors need to allow some rotation. Applications include petroleum downhole drilling systems and turret applications.