???????????????
3??1250??6000 32??
3??1800??7500 90??
4??1500??6000 32??
4??1500??8000 90??
4??1500??8000 90??
4??1800??8000 32??
5??1800??8000 21??
5??1800??8000 90??
6??1800??8000 35??
???????????????
????????Z15-Z35???????????????????????????塣 2.?????????8mm-400mm??????1500mm-3900mm????3000mm-18000mm???????Э?飬???????????塣 3.????????????????????????????????????????????????????? ???????????????
????????????????
?????????????????????г???????????????С?????????????г???仯???????????????????????????????????????????г???????????
??????????????50??16Mnq??????????????????????
