It was just then that I chanced to look round.就在那时，我恰好环顾了下四周。I shivered and pulled my scarf more tightly round my neck.我打了个寒战，用围巾把脖子围得更紧了。He tramped hurriedly round the lake towards the garden.他匆匆地迈着沉重的步伐绕过湖边向花园走去。...
Outstanding alkali resistance, can be used in post - mercerized cotton solid color process.突出的耐碱性能, 可用在棉固色后丝光工艺.This paper presents dyeing and finishing process of mercerized knitted fabric cotton based on production pra...
联合保护是目前地下管道, 金属构筑物防腐的重要方法之一.It is of important way of anticorrosion of underground pipeline, metal building.是一种经济型的中短期防腐的保护涂料.It is an economically protective coating with short to medium terms anticorrosion.除了能够增强口感之外, ...