arc

弧，弓形物；弧光英释nna curved shape or line

1 arc welding,电弧焊，弧焊；电弧焊接

2 arc furnace,电弧炉，直接电弧炉

3 electric arc,[电]电弧

4 submerged arc,埋弧

5 plasma arc,等离子弧，等离子体电弧；电浆弧

6 electric arc furnace,[化]电弧炉

7 circular arc,圆弧

8 submerged arc welding,埋弧焊

9 argon arc,氩弧焊

10 arc voltage,弧电压

11 argon arc welding,氩弧焊

12 arc length,弧长

13 welding arc,焊弧

14 arc discharge,弧放电

15 island arc,[地]弧形列岛

16 plasma arc welding,等离子弧焊；等离子电弧焊接

17 joan of arc,圣女贞德（法国民族女英雄）

18 metal arc welding,金属电弧焊；金属弧焊接

19 manual arc welding,手工电弧焊

20 arc welder,电焊机；焊工

1 真题例句...What arc universities trying to do to attract students...第一套CET62014.12阅读理解

2 真题例句...Companies like Toyota and Wal-Mart arc not committing to environmental goals out of the goodness of their hearts...第三套CET62014.12阅读理解

3 真题例句...the process can embed small flaws in the genes of clones that scientists arc only now discovering...第三套CET62014.12阅读理解

4 真题例句...Extreme weather and reckless development arc plotting against the rain forest in ways that scientists have never seen...第二套CET62013.6阅读理解

5 真题例句...the costs arc steep...第一套CET62013.12阅读理解

6 真题例句...They say kids arc far busier-and overstressed by it all-than the numbers suggest...第二套CET62012.12阅读理解

1 the arc of a rainbow.彩虹的弧状