短語詞組用作名詞 (n.)形容詞+～wide arc 大圓弧～+名詞arc lamp 弧光燈arc light 弧光燈～+介詞arc of a circle 圓周的弧arc of 110 ° 110° 的弧形短語reflex arc [解剖]反射弧;反射弧electric arc [電]電弧Scotia Arc 斯科舍島弧;蘇格蘭島弧arc sine [數(shù)]反正弦;逆正弦;橫豎弦;反正弦arc discharge 弧放電arc secant [數(shù)]反正割;橫豎割;反正割arc elasticity 稱為弧彈性;翻譯;弧彈性arc voltage 弧電壓arc chute [電]滅弧室;[電]電弧隔板;[電]熄弧溝;滅弧罩arc welding 電弧焊，弧焊；電弧焊接arc furnace 電弧爐，直接電弧爐submerged arc 埋弧plasma arc 等離子弧，等離子體電弧；電漿弧electric arc furnace [化]電弧爐circular arc 圓弧submerged arc welding 埋弧焊argon arc 氬弧焊argon arc welding 氬弧焊arc length 弧長(zhǎng)welding arc 焊弧island arc [地]弧形列島plasma arc welding 等離子弧焊；等離子電弧焊接joan of arc 圣女貞德（法國(guó)民族女英雄）metal arc welding 金屬電弧焊；金屬弧焊接manual arc welding 手工電弧焊arc welder 電焊機(jī)；焊工 返回 arc