- 相关词组
- preferential duties优惠关税；特惠关税；特惠税；特惠税率；优惠税
- gas-discharge etching气体放电蚀刻
- gravure etching process凹版腐蚀法
- laser etching激光蚀刻；激光刻蚀
- give preferential treatment优待；优;
- preferential tariff特惠[优惠]税率，关税特惠（制）;
- preferential shopn.工会会员可享特惠优待的商店;
- ion etching machine离子蚀刻机
- freeze etching冻结腐蚀
- chemical etching化学腐蚀，化学浸蚀，化学侵蚀;
- thermal etching热侵蚀
- preferential pairing偏向配对;
- anodic etching阳极浸蚀法;
- halftone etching网纹版
- preferential treatment优惠待遇;
- etching solution蚀刻溶液;
- track etching径迹蚀刻
- macro etching宏观(试片)腐蚀
- metallographic etching金相侵蚀
- wet-chemical etching湿化学腐蚀
- 今日热词
- 热门搜索
- wake me up 叫醒我;
- pdd abbr.predental discomfort 前齿骨的疼痛;probability distribution density (function) 概率分布密度（函数）;
- potato n.马铃薯， 土豆，洋芋;土豆块茎;
- predict v.预言;预测;
- without me 没有我（歌曲名）;无我
- comfort n.舒适;安逸生活;安慰;感到安慰的人/物;使生活舒适的东西;v.安慰; 抚慰; 宽慰;
- ought modal. 应当;应该;预料会做;
- vertical adj.垂直的;直立的;纵向的;n.垂直线/面/方向;
- ant n.蚂蚁;
- first n.第一，最初;头等;一号，;[乐]高音部;adv.最早，最初;首次;宁愿;优先;
- imaginary adj.想象中的;虚构的;
- message n.音信;信息;电邮;要旨;购物;v.给…发消息;
