The radiation was filtered either by borosilicate glass or by quartz.辐射光源或用硼硅酸盐玻璃或用石英过滤.The borosilicate glass polished 300 s, and then can attain perfect polishing result.1250℃硼硅酸盐玻璃抛光300s, 就可以达到理想的抛光效果.Semiprecious gem...
Great talkers are not great doers.其人说得多，做得不会多。Is it not trouble for the sinner, and destruction for the evil - doers?岂不是祸患临到不义的, 灾害临到作孽的 呢 ?The department saves energy by offering amnesties to wrong doers who grass on th...