Implementation of the national standard (GB), there are marked German DIN, American Standard ANSI / ASME, Japan JIS standard, and so on.是什么意思_Implementation of the national standard (GB), there are marked German DIN, American Standard ANSI / ASME, Japan JIS standard, and so on.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句