词汇	serrated spigot
释义	serrated spigot n.内螺纹管接头
随便看	Short period atmospheric pressure variation short-period cepheid short period circuit short-period circuit short-period coment short period comet short-period comet short period comets short-period comets short-period constituents short-period cost short period cost account short-period cross-zero-rate short period damping short-period damping short-period episodic rifting short-period equilibrium short period evolution characteristics short period fading short-period fading short-period fluctuation short period forecast short-period forecast short period global climate change short periodic nutation