Fiber reactive dyes are from true chemical bounds between dyestuff and fiber.纤维活性染料来源于染料与纤维之间形成的真正化学键.The adsorptive and decolorant capability of attapulgite clay on soluble anion dyes was studied.实验研究了凹凸棒石黏土(下称凹土)对水溶性阴离...
He was in the study playing draughts by the fire with Albert.他正和艾伯特在书房的炉火旁下国际跳棋。Draughts help to circulate air.穿堂风有助于空气流通。Chess, draughts and ludo are'board games.国际象棋 、 国际跳棋及儿童掷色子游戏都是在棋盘上比赛的游戏.Seal ( up ) the windo...
The average UK coal seam is one metre thick.英国煤层的平均厚度为1米。Tack them together with a 1.5 cm seam.用1.5厘米的针脚将它们暂时缝上。Use vinyl seam adhesive where vinyls overlap.塑料布相叠处用塑料封口胶粘起来。...
They were attacked unexpectedly from both sides as soon as they landed at a beachhead.他们一登上滩头阵地就意外地遭到两面夹攻.The troops were landed at a beachhead.部队被送到滩头堡登陆.Commander Tazewell Shepard , the naval aide , gave a report , pre...