常見(jiàn)例句雙語(yǔ)例句Objective To develop an improved adjustable bilateral aiming device to substitute the old single-side one to guide lateral arch screw insertion of axis.目的針對(duì)單側(cè)可調(diào)式樞椎椎弓螺釘定位器的不足，研制改進(jìn)出一種雙側(cè)可調(diào)式側(cè)方椎弓定位器。 返回 bilateral device