annular magnet 环形磁铁...annular float 蛇眼浮眼...annular micrometer 圆径分厘卡...annular fuel tank 环状油箱...annular ball bearing 环状滚珠轴...alternate circular ports annular spaces 更迭圆形门环空间...annular atoms 环原子...annular wheel 内齿轮...Gerlach's annular tendon 格拉赫氏环状腱,鼓膜纤维软骨环...annular space 环隙,蛇眼隙...annular rings 环状阴影,胸膜环(X线片所显环...annular transistor 环状晶体管...annular-type stripper 环型汽提器...annular bit 环孔锥...annular gear 内齿轮...annular valve 环状阀,轮形阀...annular tubes 套管...annular producer 环形发生炉...top annular plate 顶部环板...annular distance 环孔...annular ulcer 环状溃疡...
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