البحث
إكتشاف أشخاص جدد وإنشاء اتصالات جديدة وصداقات جديدة
a measure of the resistance to flow of a fluid under an applied force
a measure of the resistance to flow of a fluid under an applied force
a measure of the resistance to flow of a fluid under an applied force
a measure of the resistance to flow of a fluid under an applied force
a measure of the resistance to flow of a fluid under an applied force