zhè / tái / jī / qì / de / luó / jù / tài / xiǎo / bù / shì / hé / chéng / shòu / zhè / me / dà / de / fù / hè这台机器的螺距太小,不适合承受这么大的负荷。This machine's screw pitch is too small to handle such a heavy load.