Hohlkolben (Masculino)

hollow piston (Neutro)

hollow ram (Neutro)

tubular piston (Neutro)

ariete hueco (Neutro)

pistón hueco (Neutro)

pistón tubular (Neutro)

空心夯 (Neutro)

空心活塞 (Neutro)

管状活塞 (Neutro)