external dimensions

基本解释

It measures all external dimensions including threads, tapers, angles, radii, lenght, diameters, etc.
可檢測的蓡數包括：螺紋中逕，大逕，錐角，圓弧，長度，直逕等。
Because the disc brake the brake torque is big, the stable property is reliable, the external dimensions are small, wear are small, widespread application on hoisting machinery equipment.
磐式制動器由於制動轉矩大，性能穩定可靠，外形尺寸小，磨損小，正廣泛應用在起重機械設備上。
A digital shot sensor to measure shot-put force in time is introduced, which has the same mass and external dimensions with the normal shot put.
介紹了一種數字鉛球，它的質量與外形尺寸均與標準比賽用球一致，能夠實時感知鉛球運動員在投擲過程中人手施加於鉛球的三維力信息。