R 开头单词
reciprocation n.报答；互换；往复运动
reciprocating-motion vertical conveyer 往复式垂直输送机
reciprocating-apparatus [机] 往复装置
reciprocating vacuum pump 往复式真空泵
reciprocating test 往复试验
reciprocating scratcher [能源科学技术]往复式刮子
reciprocating rotary compressor [动力与电气工程]往复转子式压缩机
reciprocating refrigerator [化学]往复式制冷机
reciprocating refrigeration compressor [商业]往复冷冻压缩机[军事学]往复冷冻压缩机[交通运输工程]往复式制冷压缩机往复冷冻压缩机
reciprocating rake [能源科学技术]往复式耙子[经济学]往复式耙
reciprocating pump [机] 往复泵；循环泵
reciprocating power-driven tine harrow [经济学]动力驱动摆动式钉齿耙
reciprocating motion [机] 往复运动；住复式动作
reciprocating main motion 往复主运动
reciprocating hermetic compressor [动力与电气工程]往复式全封闭压缩机
reciprocating follower [机械工程]移动从动件