... laminated bearing夹布胶木轴承，层压轴承 leading -screw bearing传动螺杆轴承 lignumvitae bearing层压胶木轴承 ...
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... 杆端轴承 Rod End Bearing 传动螺杆轴承 leading screw bearing ; screw bearing 镗杆轴承 boring bar bearing ...
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