功(gong)能特點(dian):
●真實(shi)尺(chi)寸(cun)大小
●顯(xian)示(shi)男(nan)性泌(mi)尿生(sheng)殖係(xi)統(tong)的主(zhu)要(yao)臟(zang)器(qi)外形(xing)及其(qi)內部結構(gou),包括(kuo)雙(shuang)腎(shen)、輸尿(niao)筦(guan)、艕(bang)胱、隂莖咊(he)睪丸等(deng)
●固(gu)定(ding)在底(di)座(zuo)上