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drawing of screw thread
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drawing of screw thread
Encyclopedia
工学
零件图
释
drawing of screw thread
螺纹画法
圆柱或圆锥表面上、沿螺旋线所形成的、具有相同断面的连续凸起或沟槽的画法。
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air cleanliness
air cleanliness standard
air-coil
aircomatic welding
air combat attack mode
air combat training system
air compression refrigeration system
air compressor
air compressor facilities of concentrators
air compressor safety
air conditioning
air conditioning appliance
air conditioning energy consumption
air-conditioning equipment
air-conditioning load calculation
air conditioning system
air-conditioning system
air-conditioning system for cleaning room
air-conditioning system for data center
air conditioning system of transportation vehicles
air-conditioning system performance evaluation
air conditioning system zoning
air condition parameter
air conduction
air cooled condenser
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