MIL-HDBK-21给出了焊接工艺中使用的特定焊接接头设计指南 军用装甲坦克车的发展。本手册仅供参考。这 手册不能作为要求引用。如果是，承包商不必遵守。

MIL-HDBK-21 gives guidelines for particular welded joint designs used in the development of military armored tank type vehicles. This handbook is for guidance only. This handbook cannot be cited as a requirement. If it is, the contractor does not have to comply.