Holtop rụpụtara nke ọma usoro ọhụrụ nke ikuku ventilashị na-eweghachi okpomọkụ, nke a na-enwe nnukwu arụmọrụ counterflow ụdị aluminom okpomọkụ mgbanwe.Ịrụ ọrụ nwere ike ruo 85%, ọ bụkwa ọkwa kachasị elu nke teknụzụ mgbake okpomọkụ na China.
Nkwupụta na Jul 20, 2008
Oge nzipu: Jul-20-2008