堇青石 — 莫来石棚板: 是以堇青石,莫来石两种材料混合成型,经高温烧结而成.Cordierite - Mullite Board: It is made by high sintering cordierite and mullite together.介绍了以堇青石蜂窝陶瓷薄片为载体,附载过渡金属及稀土金属氧化物活性组分制备的CMT- A除臭催化剂.A deodorant catalyst CMT A composed of tra...
He was shattered and bewildered by this trenchant criticism.他因这番尖锐的批评而万念俱灰，茫然不知所措。Some of their comments were quite trenchant.他们的有些批评十分尖锐.His comment was trenchant and perceptive.他的评论既一针见血又鞭辟入里。...
磨坊水流就是驱动水车的急流.A mill - race is the fast stream of water driving the wheel of a water - mill.磨坊急流是指能推动水车的一种水流.A mill - race is the stream of water driving a water - mill.我们这里陈列的水车有六种, 基本上囊括了我国链条式水车的各种类型.Our exhibition...