zhè gēn / jīn shǔ guǎn / tài hòu / shī fu / ná qǐ / gāng jù / yán zhe / biāo jì xiàn / màn màn / jù kāi

这根金属管太厚，师傅拿起钢锯，沿着标记线慢慢锯开。

This metal pipe is too thick, so the technician picks up a hacksaw and slowly cuts along the marked line.