本命名指南的目的是在整个机身行业推广更加统一和具体的命名。列出和定义的术语适用于飞机液压和气动流体动力系统及其部件的零件、方面和特性。在可行的情况下，使用符合本文定义的术语将有助于提高清晰度，避免误解。对于有些模糊或被认为不如推荐的命名法可取的术语，提出了一些限制建议。 仅当此处包含的术语可能不适用或不充分时，建议使用此处未定义的术语。

The purpose of this nomenclature guide is to promote more uniform and specific nomenclature throughout the airframe industry. Terms listed and defined are applicable to parts, aspects and characteristics of aircraft hydraulic and pneumatic fluid power systems and their components. Usage of nomenclature, where practicable, which conforms to definitions contained herein will serve to promote clarity and avoid misunderstanding. Some recommendations are made for restriction of terms which have become somewhat ambiguous or are considered less desirable than recommended nomenclature. Use of terms not defined herein is recommended only where those contained herein may not be applicable or adequate.