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。
The cost management that is used for the preliminary process of cable and wire design is very available for saving cost, increasing profit and improving competition.
电线电缆产品在设计开发阶段的成本管理对降低产品成本、提高企业赢利、提升企业竞争力，有着重要的作用。
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