例句與造句

1. The first elevator then descends to a position in front of the mold, and if the elevator has not descended fully by the time the machine starts the process of aligning the matrices ( most often caused by a  tight line ), the first of the two safeties & mdash; the vise automatic & mdash; brings the machine to a full stop before the supporting lugs on the matrices are crushed by the mold.
2. It's difficult to find supporting lug in a sentence. 用supporting lug造句挺難的