解释用油漆涂抹铁栅栏如何防止其生锈。
要生锈,铁必须同时接触空气和水分。
Explore our latest online courses and learn new skills at your own pace. Enroll and become a certified expert to boost your career.
当铁栅栏被涂上油漆时,铁的表面便不会接触空气和水分。因此,不会生锈。
广告
Explore our latest online courses and learn new skills at your own pace. Enroll and become a certified expert to boost your career.