And is shot rust-removing, by contrast, cost is high, inspection of the surface cleaning plate are very clean.
而抛丸清砂则相反，费用高，检验平板表面清理的非常干净。
2
The preparation conditions, practical properties and some problems relating its application of silver halide dry plate of highcontrast for holography are described.
本文研究了全息照相用高反差银盐干版的制备条件和使用性能，并就其应用方面的有关问题作了探讨。
3
This paper introduces the contrast test of wear resistance of hot rolled low - carbon high strength bainite steel plate to ordinary steel plate on QLK800.32 bucket wheel reclaimer.