Exova 此前已证明，在正常运行条件下 PE100 管道的预期使用寿命可超过 200 年，但英国已有人对水务企业中相对较高的故障率表示关切……
Exova has previously demonstrated that under normal operating conditions PE 100 pipes would be expected to have a lifetime of over 200 years, but in the UK concerns have been reported about relatively high failure rates within the water utilities...