Note: 1. The laying method in correspondence with D category in the table 1-18(GB/T16895.15-2002), which is suitable for the direct cable burying or cable layout in the underground conduit.
注：1。敷设方式对应于表1-18（GB/T16895.15-2002）中的D类，适用于电缆直接埋地或电缆敷设在地下的管道内。
For laying in doors, in tunnels, in cable trench or direct in ground, able to bear external mechanical forces, but unable to bear large pulling force.
室内、隧道、电缆沟内或埋地等能承受机械外力的场所，但不能承受大的拉力。
For laying indoors , in tunnel, cable trench, or direct in ground, able to bear external mechanicalforces, but unable to bear large pulling force .
室内、隧道、电缆沟内，或埋地敷设等，能承受一定机械外力，但不能承受大的拉力。
For laying indoor, in tunnel, cable French, well or direct in ground, able to bear external mechanical forces and certain pulling force.
室内、隧道、电缆沟内或直脉地下，能够承受一定的机械外力和一定的拉力。
For laying indoor, in tunnel, cable French, well or direct in ground, able to bear external mechanical forces and certain pulling force.
室内、隧道、电缆沟内或直脉地下，能够承受一定的机械外力和一定的拉力。
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