管线英语翻译,请不要用机器,急
问题描述：
管线英语翻译,请不要用机器,急
piping can manufactured with flanges cast or forged to the pipe end or attached to the pipe in a separate operation
答
管子在制作时应将法兰锻造或浇铸在管端,或者通过单独一道工序将其附着上.