???????????5.0*1.5*6??15mnvnq??????????????????????????
?????????????
????????
??????????50????????м??????20?????????????38000??????????2800??????????40000????????2000?????????????30???????2???25????????????????й?????????????г???????????????????????????????и?????????????12?????160??????????????????????????????????????е?豸???????????????и????????????????8-600mm???4.6m??????15m???????и??????????????????????????????????к?????????????????????豸??????????????????????????????????????и??????????б???????????????μ????????????????簲????????????????????????????????????
???????????????
6??1800??8000 32??
6??1800??8000 98??
6??1800??8000 70??
4??1500??6000 21??
5??1800??8000 32??
???????????5.0*1.5*6??15mnvnq??????????????????????????
