单词	pressure ram
释义	pressure ram 挤压杆
随便看	socially useful work social man social management social man hypothesis social manifestation social mapping social margin social marginal benefit social marginal cost social marginality social marginal utility of income social market social-market social market economy social marketing social marketing concept social marketing mindset social-markets social market sector social mathematics social matrix social matter social maturity social me social meaning 青子已妆残萼青山不语青山啼子规青山外青山招不来青山无限好青山朝别暮还见青山横北郭青山横北郭青山横北郭偏凑巧偏利共生偏劳偏势偏厂儿偏压偏厦儿偏口鱼偏向偏听