asbestos insulation tube 石棉绝缘管
insulation-tube arrester 绝缘管型引雷针
electronic tube insulation resistance tester 电子管绝缘电阻测试仪
blast-tube insulation 燃气管隔热套
blast tube insulation 燃气管隔热套
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 total area of the wires inside the tube (including the insulation coat) should not be more than 40% of the area of the internal section of the pipe.
管内导线包括绝缘层在内的总面积不应大于管子的内截面的40%。
When electric insulation is required, non-metallic coating, protective non-metallic tube or insulating joint, etc., can be adopted for the insulation implementation.
当要求电气绝缘时，可采用非金属镀层、非金属外保护套管或绝缘接头等方式来实现。
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