DRK138 agbakwunyere ọnụ ahịa dị n'elu nke friction Test
Nkọwa dị mkpirikpi:
A na-etinye DRK138 Inclined Surface Coefficient Of Friction Tester iji nwalee COF nke ihe nkiri, akwụkwọ, bọọdụ kaadị, mpempe akwụkwọ na ihe ndị ọzọ.
A na-etinye DRK138 Inclined Surface Coefficient Of Friction Tester iji nwalee COF nke ihe nkiri, akwụkwọ, bọọdụ kaadị, mpempe akwụkwọ na ihe ndị ọzọ.