词汇	merrymakes
释义	merrymakes v.欢乐
随便看	thread ridge thickness thread ring thread ring block heat exchanger thread ring ga thread ring gage thread ring gauge Thread ring-gauge thread-ring gauge thread ring gau ge thread ring ga u ge thread ring plug gauge thread rod thread roll thread roller thread roll head thread rolling thread-rolling thread rolling bar joints thread rolling cylindrical dies thread rolling dice thread rolling die thread-rolling die thread rolling dies thread rolling feeder thread rolling feeders