Product name:Magnetic Blackboard;Feature:Flexible, matte finish, hold magnets, support chalk writing;Material:Rubber, iron powder;Thickness:0.5mm;Application:double layer, stick on the wall;Accessory:chalk, duster cloth, magnetic pouch;chalk:dustless;Col
学校写黑板粉笔(school-writing-blackboard-chalk) 资源编号 : 43324875 格式: jpg 文件体积 : 3m 分辨率 : 4928 x 3264 JPG 3m 名称 分辨率 格式 加载中... 加载失败,点击重新加载 收藏 评论 详情页 投诉 分享 爱给网提供海量的高清图库资源素材免费下载, 本次作品为jpg 格式的学校写黑板...
Certification:LHAMA EN71 ASTM;Material:chalk powder;loading port:Ningbo;MOQ:3000sets;Sample Time:5-7 days;Delivery Time:30days after payment;payment term:L/C,T/T;keyword:school small chalk;Keyword2:blackboard chalk;Keyword3:dutless bright color chalk;Dus
Blackboard School White Dustless Chalk, Find Details and Price about White and Colour Chalk Chalk from Blackboard School White Dustless Chalk - ACC Enterprise Co., Ltd.
Thinking mathematics student on school blackboard background with chalk hand drawings science formula pattern. Kids mathematics education concept.,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体
School Blackboard Dustless Chalk Making Machine With High Quality Product Description The main raw material of chalk is calcium sulphate or calcium carbonate. After adding water, it needs to be stirred constantly to avoid solidification. After the mixed calcium sulphate is putte...
This paper examines, through one school's location in Australia, the international reach and nature of the networks associated with New Education; the aims and ideals of Clive and Janet Nield, the main protagonists behind the venture of Koornong School; what transformations they brought to ...
vector school blackboard illustration full of chalk doodles,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、360、招商银行、工
百度试题 结果1 题目)23.A blackboard is a board that is used at schoolwriting on with chalk.A. forB. withC.as 相关知识点: 试题来源: 解析 A 反馈 收藏
Blackboard and chalk for the written word school.,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、360、招商银行、工商银行等数