radius,diameter,setback是什么意思?

radius,diameter,setback是什么意思? 高手帮帮忙Pipe bending, where required, shall have a minimum of five-diameter radius. 什么意思 Grade 11 physics~please help me to solve it~thanks1.The Earth's diameter is about 1 x 10^7,The sun's diameter is about 1 x 10^9.The radius of the Earth's orbit about the sun is about 1 x 10^11.Calculate each.a.The approximate number of Earth diameter inside diameter A small circle with the radius of I cm moves around a large circle with the diameter of 6 cm.How long does the small circle go?How many rounds does the small cicle move? gre 请写出过程和原因,1、The radius and circumference of circle P are r and c respectively.r/c 1/32、The circumference of circle s The diameter of circle s我的理解是,r border-radius 求机械图纸上的英文翻译REDIUS PERMISSBLERELIFE BOTH FACE&DIAMETER 2.54 WIDE * 0.762 DEEPBREAK SHARP CORNERDRILL THRU(8)PLACES EQUALLY SPACED ON A Φ2.16[55mm] DIA. B.C AS SHOW是RADIUS PERMISSIBLERELIEF BOTH FACE & DIAMETER 2.54 WIDE * 0.76 英语翻译TRANSITION FROM FULL FORM TO INCOMPLETE THREADS SHALL BE SMOOTH AND UNIFORM.THE DIAMETER OF INCOMPLETE THREADS SHALL NOT EXCEED THE DIAMETER OF FULL THREADS.THE RUNOUT THREADS SHALL HAVE A ROUNDED ROOT CONTOUR,NO RADIUS OF WHICH SHALL BE 如何算出圆圈的半径,直径,周长和面积啊【急!】中国和外国的教法不同外国的是:半径radius =4面积 Area =3.14 * ( 4*4) =50周长circumference = if radius is 4,then diameter = 8周长circumference = 3.14*8=25.12 (这是为 英语翻译ORG 0090HTT0:SETB 7DHRETI 当量直径 equivalent diameter diameter什么意思 median diameter是什么意思 diameter什么意思 inner diameter什么意思 flange diameter是什么意思 diameter什么意思