单词：toughened polystyrene
韧化聚苯乙烯
单词：toughened polystyrene 相关文章
The Great Pacific Garbage Patch may be disappearing, and not in a good way. New research presented at the biannual meeting of the American Chemical Society reveals that polystyrene actually can break down in seawater. Polystyrene is probably better k
发表于:2018-12-24 / 阅读(200) / 评论(0)
Scientific American(八)月
Scientific American(八)月
1135 、 晶体点阵；晶体格构；晶格 crystallattice 1136 、 棘轮和爪 ratchetandpawl 1137 、 棘齿 ratchet 1138 、 棘齿弓钻 ratchetbrace 1139 、 壳型模塑 shellmoulding 1140 、
发表于:2019-01-03 / 阅读(213) / 评论(0)
英文名句短语
英文名句短语
But there's no guarantee rescue will come,and with such little water here, 是否有人救援还是未知之数 此地淡水贫乏 your health will start to decline rapidly. 人的健康状况会迅速恶化 Given that choice, I'd build a raft and se
发表于:2019-02-15 / 阅读(216) / 评论(0)
荒野求生
荒野求生