单词	垂直圈
释义	垂直圈vertical circle
随便看	low arched low-arched lowarched low archipelago low area low-area storm low art low ascii values low assay low atmospheric pressure low atmospheric pressure test low-atomic-number low-atomic-number material low-attitude low-attitude speed low-back low-back-ground low-background low background alpha spectrum analyzer low-back-ground counter low-back-ground--counter low-background counter low-background counting low-background--counting low background gamma spectrum analyzer