Cock, fluid-flow control ( excl. of unhardened vulcanized rubber, ceramics or glass) 液体流量调整旋塞(未硬化硫化橡胶、陶瓷或玻璃制的除外)
Glue injecting and dowel driving machine Capsule of unhardened gelatin [ for lighter fuels or pharmaceuticals] 喷胶及圆棒榫打入机软胶制胶襄[作为打火机燃料或药物]
Such a staircase, with its accessories, in the older and more crowded parts of Paris, would be bad enough now; but, at that time, it was vile indeed to unaccustomed and unhardened senses. 这样的楼梯和附属设施现在在巴黎较为拥挤的老市区就已经是够糟的了,在那时对于还不习惯的、没受过锻炼的人来说更是十分难堪。
Polymers may be incorporated in concrete in two ways: either added to the unhardened concrete slurry or impregnated into the void structure of the hardened concrete. 聚合物以两种方式掺合于混凝土中:一种是添加于未硬结的混凝土稀浆中,另一种是浸渍于己硬结的混凝土中的孔洞结构中。
Additive for circulating utilization of unhardened waste concrete 用于未硬化废弃混凝土循环利用的外加剂