A steel wire with the diameter of d=1mm is wound around a winding drum with the diameter of 2m. Knowing that the allowable stress of the steel wire is [σ] =200MPa, E=200GPa, determine the maximum stress and the largest size of diameter of the steel wire.
A steel wire with the diameter of d=1mm is wound around a winding drum with the diameter of 2m. Knowing that the allowable stress of the steel wire is [σ] =200MPa, E=200GPa, determine the maximum stress and the largest size of diameter of the steel wire.
The underlined word "knives" is used to ______. A: prevent the reel from advancing to rapidly B: twist the wire C: separate doublestranded wire D: cut the wire that becomes barbs
The underlined word "knives" is used to ______. A: prevent the reel from advancing to rapidly B: twist the wire C: separate doublestranded wire D: cut the wire that becomes barbs
Which wire is not contained in a two-core cable
Which wire is not contained in a two-core cable
原理图设计时，实现连接导线应选择（）命令 A: Place/Line B: Place/Wire C: Wire D: Line
原理图设计时，实现连接导线应选择（）命令 A: Place/Line B: Place/Wire C: Wire D: Line
The_______regioniscenteredlargelyinthenorthofthecountry.A.A.petrol A: mineral B: telescope C: wire
The_______regioniscenteredlargelyinthenorthofthecountry.A.A.petrol A: mineral B: telescope C: wire
safety wire /lockwire A: 保险丝 B: % C: @
safety wire /lockwire A: 保险丝 B: % C: @
wire frame diagram的意思是_________________.
wire frame diagram的意思是_________________.
原理图设计时,实现连接导线应选择()命令。 A: Place/Drawing Tools/Line B: Place/Wire C: Wire D: Line
原理图设计时,实现连接导线应选择()命令。 A: Place/Drawing Tools/Line B: Place/Wire C: Wire D: Line
电路图绘制时所使用到的Line线与Wire线有何分别? A: Line线具有电气特性，Wire线不具有电气特性。 B: Line线不具有电气特性，Wire线具有电气特性。 C: Line线与Wire线皆具有电气特性。 D: 以上皆非。
电路图绘制时所使用到的Line线与Wire线有何分别? A: Line线具有电气特性，Wire线不具有电气特性。 B: Line线不具有电气特性，Wire线具有电气特性。 C: Line线与Wire线皆具有电气特性。 D: 以上皆非。
中国大学MOOC: ｗｉｒｅ ｌｉｓｔ是指
中国大学MOOC: ｗｉｒｅ ｌｉｓｔ是指