权威例句
CountersinkCountersinkCountersinkCountersink bit for glassCountersink cutters having a free-spinning pilotChatterless countersink and deburring toolCentralizing cement plug with countersinkBEVERAGE CAN END WITH REDUCED COUNTERSINKIntegrated Hole and Countersink Inspection of Aircraft ComponentsScrewdriver bit for screws having countersink in headCountersink depth control of robot drilling based on pressure foot displacement compensationMetallic beverage can end with improved chuck wall and countersinkLaser Profilometry For Non-Contact Automated Countersink Diameter Measurement
