The use of wave arc, creating a relaxed and happy atmosphere ocean beach.
波浪弧线的运用，营造出轻松快乐的海洋浴场气氛。
2
Using the composite graphite rods with the sulphide of iron group metals as anode, the double-wall carbon nanotubes have been fabricated by arc discharging under hydrogen atmosphere.
用含有铁族金属硫化物的复合石墨棒作阳极，在氢气氛围下实施电弧放电，制备出了双壁纳米碳管。
3
Coatings deposited by arc - sprayed zinc, aluminum on the steel substrate are proven to have sufficient corrosion resistance in the atmosphere, freshwater, seawater and soil environments.