大学英语词汇短语释义解析及例句 coarse screen


释义：

coarse screen 粗孔筛；粗格栅

例句：



Zinco a line or coarse screen half-tone block etched on zinc for letterpress printing. see zinc engraving.

线条锌版活版印刷用的线条或粗网半色调凸版。参阅锌电版。



Study results show, that it would be better not to recommend a narrow range of if screening is done with a coarse screen.

该文以几种固体燃料为例研究了煤颗粒的形状因子及其对流态化、床内传热的影响。 研究表明，对宽筛分煤不宜推荐狭窄的值范围。