亚博电竞网-yb亚博全站首页 > 标准下载>nf c32-077-1-2019 tests for electric cables under fire conditions - circuit integrity - part 1 : test method for fire with shock at a temperature of at least 830oc for cables of rated voltage up to and including 0,6/1,0 kv and with an overall diameter e免费下载