खोजें
Bitumen
01
बिटुमेन, प्राकृतिक अस्फाल्ट
any of various naturally occurring impure mixtures of hydrocarbons
02
बिटुमेन, डामर
a thick, black or dark brown substance made from petroleum that is used to make roads and roofs
खोजें
बिटुमेन, प्राकृतिक अस्फाल्ट
बिटुमेन, डामर
