Inside screw stem stop valve 下螺纹阀杆截止阀
Outside screw stem stop valve 上螺纹阀杆截止阀
stem to prevent or stop 制止 ; 阻挡
Like a rock that fails to stem the river in its flow, so the death of a loved one should not stop life in its stride.
就像一块石头,它不能阻止江河的流动一样,心爱人的死亡不应当阻止你大踏步地前进着的生活。
He wants Italy to stop bombing Libya to stem the flow of refugees across the Mediterranean.
他希望意大利停止轰炸利比亚,以阻止跨地中海的难民潮。
Creating an organ using a patient's own stem cells solves the problem of having to use powerful immunosuppressant drugs to stop the body rejecting a another person's kidney.
使用病人自己的干细胞创造出的器官解决了由于使用别人的肾脏,不得不用功效强大的免疫抑制剂预防排斥的问题。
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