工具书/标准
-
彩虹小木琴台湾风车图书本系列有声读物所选编的认知内容符合幼儿的认知水平,并配有电子发声器,形式生动,发音准确,将图片、文字以及声音进行完美的融合,采用“人书互动”的模式,通过声音、图像和动手引导相结合,提高孩子各方面的能力,有利于幼儿学习认知水平的语言能力的培养。木琴/铁琴 两种音效声可自由调节音量和快慢哦!炫闪灯光引导宝宝跟着节奏演奏!小木琴附2根敲打棒! -
幼儿认知有声学习书2台湾风车图书本系列有声读物所选编的认知内容符合幼儿的认知水平,并配有电子发声器,形式生动,发音准确,将图片、文字以及声音进行完美的融合,采用“人书互动”的模式,通过声音、图像和动手引导相结合,提高孩子各方面的能力,有利于幼儿学习认知水平的语言能力的培养。* 中英双语可切换* 64个有声按键,135个常用单词* 六段式可调音量* 闪闪发光的LED灯 -
动车组牵引电动机技术条件中华人民共和国国家铁路局This standard is established with reference to GB/T1. 1-2009.The standard is proposed and managed by CSR Zhuzhou Institute Co., Ltd..This standard is drafted by CSR Qingdao Sifang Co., Ltd., CSR Zhuzhou Electric Co., Ltd. . Yongji Xinshisu Electric Equipment Co., Ltd., CNR Changchun Railway Vehicles Co. 9 Ltd. and CNR Tangshan Railway Vehicle Co., Ltd..The standard is mainly drafted by Jiao Jinghai, Deng Guimei, Liu Yong, Li Gang, Li Xuefei and Du Huiqian. -
热处理钢轨技术条件中华人民共和国国家铁路局This standard stipulates the technical specifications, test method, inspection rules, etc. for heat treated rails (including off-line heat treatment and on-line heat treatment).This standard is applicable to full length heat treatment of 50kg/m-75kg/m rails of U71Mn. U75V, U76NbRE. Rails of other types can take it for reference. -
铁道机车车体技术条件 第1部分 内燃机车车体中华人民共和国国家铁路局This standard specifies the technical requirements, inspection, acceptance, transport and storage of diesel locomotive car bodies.This standard is applicable to the design, manufacture and acceptance of newly constructed diesel-electric and diesel-hydraulic locomotive car bodies with the standard gauge of 1 435 mm (hereinafter referred to as car body). For car bodies of other types, this standard can be followed. -
九九乘法台湾风车图书本系列有声读物所选编的认知内容符合幼儿的认知水平,并配有电子发声器,形式生动,发音准确,将图片、文字以及声音进行完美的融合,采用“人书互动”的模式,通过声音、图像和动手引导相结合,提高孩子各方面的能力,有利于幼儿学习认知水平的语言能力的培养。 -
铁道客车通过最小半径曲线试验中华人民共和国国家铁路局This standard defines the line conditions, coupling requirements, test contents and methods, basic requirements of test devices and instruments, and evaluation of results for the inspection and tests for geometry relationship on standard-gauge railway passenger cars and EMUs negotiating minimum radius curves.This standard is applicable to the inspection and test for geometry relationship on standard-gauge railway passenger cars and EMUs negotiating minimum radius curves, Other types of railway rolling stocks can refer to this standard. -
熊出没之雪岭熊风趣味小拼图深圳华强数字动漫有限公司,图豆少儿这是一套小开本盒装拼图,一共6盒,每盒8张64开小拼图,拼面为熊出没大电影2中的超萌形象及场景,十分可爱。每张拼图模切为12块小拼块,适合3~7岁小朋友拼装。此外,小朋友还可以把包装盒制作成熊熊主题相框,更增趣味。 -
钢结构工程常用图表手册王志云本书依据《钢结构设计规范》(GB50017~201×)、《钢结构工程施工规范》(GB50755~2012)、《钢结构焊接规范》(GB50661~2011)、《建筑结构制图标准》(GB/T50105~2010)、《钢结构高强度螺栓连接技术规程》(JGJ82~2011)等国家现行标准编写。主要包括常用资料、钢结构设计与计算以及钢结构施工等内容。本书是钢结构工程专业人员必备的常用小型工具书。 -
学生实用现代汉语词典暂缺作者暂缺简介...
