Six, taking magnesium and vitamin B6, can reduce the recurrence rate of 90%. Limit the amount of vitamin C, calcium oxalate stone patients especially.
服用镁及维生素B6,可减少90%的复发率。限制维生素C的用量,特别是草酸钙的结石患者。
C: Nice meeting you, too, Stone.
我也相当高兴认识你,石头。
C. Vibration strike: it is used in drilling and casing with loosen sand, cobble stone and gravel layer etc.
振动击打:用于松散的砂、卵石、碎石地层的钻进及下套管等。
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