rú guǒ / dǎ jiāo qiāng / de / chū jiāo / sù dù / tài kuài / jiē fèng / biǎo miàn / jiù / róng yì / āo tū bù píng如果打胶枪的出胶速度太快,接缝表面就容易凹凸不平。If the glue gun dispenses sealant too quickly, the surface of the joint can easily become uneven.