通道狭窄处 channel restriction
窄处铆接机 jam rivetter ; jamriveter
处狭窄 UPJ ; ureteropelvic junction obstruction
肾盂输尿管连接处狭窄 UPJO
肾盂输尿管交界处狭窄 stricture of uretero-pelvic junction ; UPJO
河道陡窄流急之处 rapid
肾盂输尿管移行处狭窄 Ureteropelvic junction obstruction
其最窄处仅为一英镑硬币的厚度。
在河的最窄处的是韦奇奥桥(又称旧桥)。
Spanning the river at its narrowest point is the Ponte Vecchio (" Old Bridge ").
他的父亲带他来到一条最窄处也有500米宽的河边。
His father brought him to a river which was very wide, the narrowest place is about 500 meters width.
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