Timber, machine-made paper, drugs made of chemical materials, etc. dropped 1.1% to 9.2%. 木材、机制纸、化学原料药等下降百分之一点一到百分之九点二。
Rough edge left by a deckle on handmade paper or produced artificially on machine-made paper. The papyrus plant was important to the ancient Egyptians because it was used to make papyrus scrolls. 在人造纸或是机器造纸时用使纸浆定型的制模框而形成的粗边。纸草对古埃及人来说很重要,它是制造纸莎草卷轴的原料。
In accordance with their characteristics in the making, such non-governmental currencies were divided into single-face stuck coins, sealed coins, machine-made coins, man made carved coins, metal cards, bone cards, bamboo cards and paper money. 根据其制造特色,此类民间币可分为单面打制币、打印戳币、机冲币、手工雕刻币、金属筹牌、骨筹牌、竹筹牌、纸币等。
In accordance with the pollution caused by the lead contained in the free cutting brass which is widely used in machine-made industry, this paper analyzes the principles of the free-cutting brass. 针对目前机械制造业普遍使用的易切削黄铜所含铅元素对环境造成的危害,提出研制无铅易切削黄铜。
Through comparison of the application of machine-made cast iron pipe with flexible interface and UPVC plastic pipe in the drainage system of dwellings, this paper holds that the cast iron drainage pipe with flexible interface should be used as the major ones among dwelling's drainage pipes. 通过柔性接口机制铸铁管与硬聚氯乙烯(UPVC)塑料管在住宅排水系统中的应用比较,认为柔性接口铸铁排水管为住宅排水管材的主流;