adjustable distance piece 可调定距块
Adjustable distance of drag roll 压棍可调距离
Adjustable Packing Distance 可调节打包距离
This plan main point provides one kind not to have the contact, the adjustable distance eyeglasses.
这一方案的要点是提供一种无接触、可调距离的眼镜。
A major invention was the adjustable strut that could precisely set the depth of the plow by altering the distance of the blade and the beam.
一个重大的发明是可调节的支柱，通过改变刀板与横梁的距离来精确地设置犁的深度。
The neck was detachable (making it easier to service) and adjustable, so the player could set the distance between the strings and fretboard to his or her liking.
琴颈可以分离（更为方便）也可调节，所以琴弦和指板之间的距离吉他手可以根据自己的喜好来设定。
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