Shop Hotel Pillows NightComfort Super Firm Support Pillows For Side Sleepers - Pack Of 2, Machine Washable Standard Pillow ...
Abstract: Some uncontrollable defects will occur on the surface of metal workpieces during processing. The existence of surface defects not only affects the appearance of the finished product, but ...
Abstract: The rolling bearing is known as a crucial component in the turbine pump of a typical liquid rocket engine. Bearing faults may lead to catastrophic events, and effective fault diagnosis is ...
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