jiāo tōng : dào gōng chéng : gōng : gōng gōng chéng shī gōng > chōng diǎn
   chōng diǎn 【 conflictpoint】 zhǐ de shì zài jiāo chā kǒu nèiliǎng chē liú guǐ xiàn chéng jiāo chā xíng de jiāo huì diǎn
   xíng chéng
   zài jiāo chā kǒu tóng xíng shǐ fāng xiàng de chē liú xiāng jiāo chā xíng chéng de jiāo huì diǎn
   zài jiāo chā kǒu nèi fāng xiàng chē liú dìng xíng shǐ guǐ de jiāo huì diǎn
   zhōng zuǒ zhuǎn wān chē liú chǎn shēng de chōng diǎn zuì duō
   jiě jué fāng
   xiāo chú huò jiǎn shǎo chōng de fāng shì huà kǒu jiāo tōngshí xíng jiāo tōng kòng zhì huò jìn zhǐ zuǒ zhuǎn wān