معنى معامل في الرياضيات في القاموس

With working part of steel

Of other glass having a linear coefficient of expansion not exceeding 5 x 10 6 per Kelvin within a temperature range of 0 °C to 300 °C

Of other glass having a linear coefficient of expansion not exceeding 5 x 10 6 per Kelvin within a temperature range of 0 °C to 300 °C

Of glass having a linear coefficient of expansion not exceeding 5 x 10 6 per Kelvin within a temperature range of 0 °C to 300 °C

AGRICULTURAL, HORTICULTURAL OR FORESTRY MACHINERY FOR SOIL PREPARATION OR CULTIVATION; LAWN OR SPORTS-GROUND ROLLERS