campaign life造句

The present development situation of China large BF long campaign life technologies are narrated .

The campaign life of furnace depends on not only construction and materials, but also correlates closely with care and maintenance.

The technology of high temperature preheating and high temperature and long campaign life hot blast stove had been adopted during the Shougang's no. 2 BF technology rebuild design.

No. 8 Blast Furnace design and its body's cool structure adopt the unique technology to guarantee the high yield, high-quality, low consumption and long campaign life of B.