- 相关词组
- American education system美国教育体系
- single effect evaporation单效蒸发
- single ear anti-motion washer单耳止动垫圈
- single echo单一回声
- system infon.系统制度，理论体系;
- single error correcting code单个错误校正码
- single edge adze单刃木锛
- document management system文件管理系统;
- single duty单一关税
- a single person单身只汉;
- all outside air system全外部空气第系统;
- single electrode potential单电极电势
- single edge knife saw单刃刀锯
- single drum tilt rig单滚筒倾斜钻机
- British system英制;
- box system吊箱系统;
- single entry point单入口点
- endocrine system内分泌系统
- single duct conduit单孔管道
- accountability systemn.问责制;
- 今日热词
- 热门搜索
- properly adv.正确地;得体地;完全地;真正地;
- duty n.责任;职务，职责;上班;税;
- packet n.小包;信息包;邮船;大笔款项;vt.包装，打包;用邮船运送;
- nowhere 无人
- bakery n.面包店;面包烘房;
- worthless adj.无价值的;
- motion control 运动控制;
- cheap adj.便宜的;廉价的;小气的;收费低廉的;花钱少的;卑微的;令人讨厌的;价低质劣的;（言行）讨便宜的;吝啬的;adv.廉价地;便宜地;低价地
- bake v.烤，烘，焙;受晒;n.烤菜;
- factory n.工厂;制造厂;
- contain v.装有;包含;遏制;控制;克制;
- refuse v.拒绝;回绝;n.垃圾，废弃物;
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