Mkpịsị ihe nkpuchi hexagon okpukpu abụọ
Nkọwa dị mkpirikpi:
Dodecagon Shape coupler Nke a na udi bụ anyị Hebei Yida patented udi maka couplers, na-etinyere n'obosara site Nuclear ike osisi na Hydrau Power Plant.
Dodecagon Shape coupler
Nke a na udi bụ anyị Hebei Yida patented udi maka couplers, n'ọtụtụ ebe etinyere Nuclear ike osisi na Hydrau Power Plant.