避孕环

intrauterine device intrauterine ring  detail>>

试样避孕环,避孕环

contraceptive fitting ring  detail>>

铜避孕环

copper iuo  detail>>

形铜避孕环

copper t  detail>>

子宫内安放的避孕环〔缩写为iud〕。

intrauterine conceptive device intrauterine device  detail>>

避孕

birth control; contraception; practise contraception  短语和例子   避孕节育 aviod concept...  detail>>

街道避雷设备

street lightning equipment  detail>>