单词	输精管结扎
释义	输精管结扎n.vasoligation输精管结扎(术)
随便看	threshold stimulus threshold stress intensity factor threshold switch threshold temperature threshold temperature coefficient of semiconductor threshold temperature coefficient of semiconductor--laser threshold theorems threshold (thr) threshold trait threshold treatment threshold tuning threshold value threshold value of contrast threshold valve threshold velocity threshold visibility threshold voltage threshold voltage control threshold voltage deviation threshold voltage dispersion threshold voltage extraction threshold voltage fluctuation threshold voltage generator threshold voltage generator--tvg threshold voltage generator，tvg