Your diet – avoiding constipation helps to both prevent and treat haemorrhoids.饮食,避免便秘对痔疮的预防和治疗都有好处.The haemorrhoids are removed using a scalpel, laser or staple gun.然后术者用手术刀或激光或是特殊的钳子将痔切除.Objective : To evaluate the out...
A plug had been inserted in the drill hole.钻孔已塞上了塞子。The drill should be slowly rotated to ensure a clean hole.钻头必须缓慢转动，以保证钻孔平整光滑。It took five years to drill down to bedrock.耗时五年才钻到了基岩。...