前列腺位于膀胱和直肠之间,在体表是触及不到的,可以用手指从肛门深入3—5㎝,大约2-3个指节,触摸到包块就是前列腺。检查前防止感染,手指要清洗干净带上指套并涂摸润滑液。
start roller的中文翻译start roller 启动机双语例句1Put welding machine on the flex start, pressure roller outside with top flex side in anopposite position. 将热合机置于接片前端,压轮之外侧与上接片侧边对齐。2However, the start-stop dynamic process of vibratory roller has brought someproblems which seriously affect the performance and reliability of the vibratoryrollers. 然而,在起步停车的动态过程中存在的问题,一直是影响国产双钢轮压路机的可靠性和作业质量的主要问题。