例句與造句

1. If the line is  tight or too long, the elevator carrying the matrices and space bands will not seat properly in front of the mold slot.
2. The most significant innovation in the linotype machine was that it automated the distribution step; i . e ., returning the matrices and space bands back to the correct place in their respective magazines.
3. It's difficult to find matrices and spaces in a sentence. 用matrices and spaces造句挺難的