求翻译：适用于1-35kV橡塑绝缘电缆、通讯电缆接头与终端的绝缘和密封，也可用于其他场合的绝缘和密封。其中DJ-10、DJ-20、DJ-21为丁基橡胶制成，DJ-30为乙丙橡胶制成是什么意思？

For 1-35kV rubber insulated cable, communication cable connector and the terminal insulation and sealing can also be used for other occasions insulation and sealing. One DJ-10, DJ-20, DJ-21 for the butyl rubber, DJ-30 for the ethylene-propylene rubber

apply to 1 -35 kV rubber and plastic insulated cables, communications Cable connector with the terminal of the insulation and sealing, it can also be used for other occasions insulation and sealed. Which DJ DJ - 20 -10, -21, DJ for butyl rubber, DJ - 30 for B C rubber

Is suitable models the insulation electric cable, the communication electric cable attachment and the terminal insulation and the seal in the 1-35kV oak, also available in other situation insulation and seal.DJ-10, DJ-20, DJ-21 are the butyl rubber make, DJ-30 is the second grade third rubber makes

Applies to 1-35kV rubber insulated cables, communication cables, connectors and terminals insulated and sealed, can also be used on other occasions of insulation and sealing. DJ-10, DJ-20 and DJ-21 made of butyl rubber, DJ-30 made of ethylene-propylene rubber

Applies to 1-35kV rubber insulated cables, communication cables, connectors and terminals insulated and sealed, can also be used on other occasions of insulation and sealing. DJ-10, DJ-20 and DJ-21 made of butyl rubber, DJ-30 made of ethylene-propylene rubber