法国螺栓标准(NF bolt standards)ANSI | BS | DIN | EN | GB | ISO | JIS | NF | DIC编号中文名称英文名称NF A47-251-5-2003钢丝绳接线端.安全.第5部分:U形螺栓拉线器(Terminations for steel wire r
常用的制图专业术语,中、英文对照 A-LAA/C across corners 对角距 A/F across flats 对边距 above stuffing上填料 accumulation of energy储能 accumulation积聚性 acme thread梯形(爱克姆)螺纹 中日文翻译across corner 对角距 across flat 对边距actual size实际尺寸 a
新概念英语第二册第15课:Good newsWhat was the good news The cretary told me that Mr Harmsworth would e me. I felt very nervous when I went into his office. 秘书告诉我说哈姆斯沃斯先生要见我。我走进他的