constantlyadv.不断地;经常地
constantadj.不变的;经常的n.常数;恒量
constant-ratio investment固定比例的投资
constant speed cardan joint等速万向节
constant-force escapement均力式擒纵机构
constant magnet alloy steel永磁合金钢
constant molar holdup model摩尔持液数学模型
constant wattage transfomer恒量变压器
constantly blaze new trails不断创新
constant-enthalpy process节流过程,等焓过程