... 螺纹配合等级 thread classes 螺隙 thread clearance 螺纹外形 thread contour ...
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thread crest clearance 螺纹顶部间隙
thread top clearance 螺纹顶部孔隙
clearance thread 间隙螺纹
Clearance screw thread gauge 间隙螺纹量规
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The upgraded drum locking device has integral drum locking blocks and a float screw rod, with the antivibration performance improved and the thread clearance eliminated.
改进的穿孔机转鼓器结构，采用整体压鼓块和浮动丝杆，消除了螺纹间隙，提高了抗振性能。
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Jens Lehmann's weak clearance was intercepted by Joey Barton that enabled Michael Johnson to thread the ball in for Beasley to finish.
BBC: SPORT | Football | Premiership | Arsenal 3-1 Man City
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