The service life for gear pump is much less than the desired design up to now, which is mainly caused by higher pressure imbalance.
迄今为止，齿轮泵的寿命还远远达不到设计要求，这主要是齿轮泵存在较大的径向不平衡力所致。
In this paper, by analyzing the influence of temperature on the performance and service life of batteries, the desired function of a BTMS was outlined, a procedure for designing BTMS was introduced.
本文分析了温度对电池组性能和寿命的影响，概括了电池组热管理系统的功能，介绍了电池组热管理系统设计的一般流程，并对设计热管理系统提出了建议。
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