auxiliary rail造句

• These terms have persisted in phototypesetting technology even though the mechanics of the auxiliary rail do not exist there.
• A re-designed upper receiver firing standard 5.56mm ammunition will be produced in various barrel lengths, all having a monolithic design with a full-length top rail, and three auxiliary rails for mounting accessories, free-floating barrels, and front and rear flip-up sights standard, when not using upgraded optics.
• The machine operator can select which of the two will be cast by operating the " auxiliary rail " of the " assembler ", or, when setting entire lines of italics, by using the " flap ", which is a piece that can be turned under a portion of the first elevator column.