求翻译：然而，整个弹簧行业大多数企业对淬火介质的性能缺乏重视，即使投入大量资金改善设备和质量控制手段，却很少关心淬火介质的状态。往往一种淬火油使用很多年，仅用添加新油方法保持其状态。不出所料，弹簧制品热处理生产的质量问题几乎都与淬火介质有关，并且经常性的重复发生。对于汽车板簧等有特殊要求的产品来说，淬火介质的性能对热处理操作的成败起重要作用。是什么意思？

However, the entire spring industry, most enterprises lack of attention to the performance of the quenching medium, even if we put a lot of money to improve the equipment and quality control measures, but few care about the state of the quenching medium. Often a quenching oil used for many years, on

However, most enterprises throughout the spring industry of hardened media lack of attention to the performance, even if they put a lot of money improving equipment and quality control measures, they have little interest in hardened media status. Often a hardened oil using a number of years and only

However, springs industries as a whole the majority of enterprise on the quenching medium performance, lack of attention to, even invested heavily in equipment and quality control methods, but few care about status of quenching media. Often a quenching oils used for many years, only oil adds a new m