The effects of double coating on the pores of lime titania type stainless steel electrode are studied with high speed cinecamera, oscillograph, optical microscope, SEM with EDS, etc.
采
平板堆焊、高速摄影、波形
析、光学金相、扫描电镜

析等测试方法,研
了双层药皮对钛钙型不锈钢焊条气孔的影响。
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日报 

日报 In Florida, legislators rewrote state laws, switched to paper ballots and optical scanners (no more butterfly ballots or hanging chads), and mandated automatic recounts for races with margins of half a percentage point.
佛罗里达州
议员重修了州法律,投票改用纸质选票和光学
描仪(从此再也不会出现所谓
“蝴蝶选票”或者“孔屑废票”了)还对用误差范围为0.5%
机器重新统计选票做出了硬性要求。