乙状结肠镜的sigmoidoscopic type suction tip: 乙状结肠镜式吸引头sigmoidoscope with obturator: 带通芯的乙状结肠镜sigmoidoscopy: 乙状结肠镜检查sigmoidoscope s: 状结肠镜sigmoidoscopy through artificial stoma: 通过人工腹壁造口行乙状结肠镜检查下载手机词典可随时随地查词查翻译