详细说明
4GN-3K,4GN-5K,4GN-6K,4GN-7.5K,4GN-9K,4GN-10K,4GN-12.5K,4GN-15K,4GN-18K,4GN-20K,4GN-25K,4GN-30K,4GN-36K,4GN-40K,4GN-50K,4GN-60K,4GN-75K,4GN-90K,4GN-100K,4GN-120K,4GN-150K,4GN-180K,4GN-3S,4GN-5S,4GN-6S,4GN-7.5S,4GN-9S,4GN-10S,4GN-12.5S,4GN-15S,4GN-18S,4GN-20S,4GN-25S,4GN-30S,4GN-36S,4GN-40S,4GN-50S,4GN-60S,4GN-75S,4GN-90S,4GN-100S,4GN-120S,4GN-150S,4GN-180S