annular magnet 环形磁铁...annular micrometer 圆径分厘卡...annular fuel tank 环状油箱...alternate circular ports annular spaces 更迭圆形门环空间...annular ball bearing 环状滚珠轴...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 pancreas 环状胰[腺]...annular space 环隙,蛇眼隙...annular rings 环状阴影,胸膜环(X线片所显环...annular bit 环孔锥...annular-type stripper 环型汽提器...annular transistor 环状晶体管...annular valve 环状阀,轮形阀...annular gear 内齿轮...annular producer 环形发生炉...annular tubes 套管...top annular plate 顶部环板...annular ulcer 环状溃疡...annular distance 环孔...
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