inline chromatic harp造句

The inline chromatic harp is generally a single-course harp with all 12 notes of the chromatic scale appearing in a single row.
Single course inline chromatic harps have been produced at least since 1902, when Karl Weigel of Hanover patented a model of inline chromatic harp.
Single course inline chromatic harps have been produced at least since 1902, when Karl Weigel of Hanover patented a model of inline chromatic harp.
Single course inline chromatic harps have been produced for at least the past 110 years : in 1902 Karel Weigel of Hanover ( Germany ) patented a model of inline chromatic harp.
Single course inline chromatic harps have been produced for at least the past 110 years : in 1902 Karel Weigel of Hanover ( Germany ) patented a model of inline chromatic harp.
It's difficult to find inline chromatic harp in a sentence. 用inline chromatic harp造句挺难的