本文件规定了功能要求（见第4条）和特定安全要求 除了EN 913中的一般安全要求（见第5条），该要求与 这个标准。 本文件适用于拟在以下条件下使用的三种双杠（见表1） 对有能力的人的监督。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document specifies functional requirements (see Clause 4) and specific safety requirements in addition to the general safety requirements in EN 913 (see Clause 5), which is read in conjunction with this standard. This document is applicable to three types of parallel bars (see Table 1) intended for use under supervision of a competent person.All current amendments available at time of purchase are included with the purchase of this document.