高频塑料热合机

establishment【海洋】;high-water full and change【地物】;mean establishment【测】

three highs agriculture (high yield, high quality and high efficiency agriculture)

vertical high pressure steam boiler

high intensity cathode-ray tube

high strength porcelain bushing shell

high-density lipoprotein deficiency【内科】;Tangier disease【内科】

high-expansion alloy【材】

high-test cement