16.Loop injection using a unique single-Ube piston cycle circuit, using the export closure, a smooth start-up injection piston, aluminum can be involved in the water to a minimum value of the air.

• 16.；压射回路采用宇部独有的单活塞循环油路，采用出口截流、压射活塞平稳起动，可将铝水中的空气卷入降到最低值。