When the cable is dragged into the center of some all tube, a preliminary to the transformer tank slowly put transformer insulation sheath, then not so much the traction rope.
当电缆有些全部拽进中心管里时，初步往变压器油箱里慢慢地放变压器绝缘护套，这时不要过分地拉紧牵引绳。
2
The lengths of the light tube that the transformer can drive are dependent on the tube diameters.
文中介绍了灯管等效电阻的概念及进行变压器匹配灯管管径、长度的设计选取。
3
The lengths of the light tube that the transformer can drive are dependent on the tube diameters.