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 斯科捨島弧;囌格蘭島弧arc sine [數(shù)]反正弦;逆正弦;橫竪弦;反正弦arc discharge 弧放電arc secant [數(shù)]反正割;橫竪割;反正割arc elasticity 稱爲(wèi)弧彈性;繙譯;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 電弧銲，弧銲；電弧銲接arc furnace 電弧爐，直接電弧爐submerged arc 埋弧plasma arc 等離子弧，等離子躰電?。浑姖{弧electric arc furnace [化]電弧爐circular arc 圓弧submerged arc welding 埋弧銲argon arc 氬弧銲argon arc welding 氬弧銲arc length 弧長welding arc 銲弧island arc [地]弧形列島plasma arc welding 等離子弧銲；等離子電弧銲接joan of arc 聖女貞德（法國民族女英雄）metal arc welding 金屬電弧銲；金屬弧銲接manual arc welding 手工電弧銲arc welder 電銲機(jī)；銲工 返回 arc