reduced length of flameproof joint

例句：

1. 1. Theengineer designed a new type of flameproofjoint to reduce the length of the pipe.
   工程师设计了一种新型的防火接头，以减少管道的长度。
2. 2. The company has reducedthe length of the flameproof joint inorder to improve efficiency.
   该公司已缩短了防火接头的长度，以提高效率。
3. 3. The reductionin the length of the flameproof jointhas made it easier for workers to accessthe machinery.
   防火接头长度的减少使得工人更容易接近机器。