wéi xiū gōng / yòng / gāng jù / jié duàn / shēng xiù / de / luó shuān / xiān / bǎ / gōng jiàn / láo láo / gù dìng / zài / tái qián / shàng维修工用钢锯截断生锈的螺栓,先把工件牢牢固定在台钳上。The repair worker uses a hacksaw to cut through the rusty bolt after firmly securing the workpiece in a vise.