A layer of primer on an airliner weighs more than a layer of the new coating would by an amount large enough to make a difference to that airliner's load-bearing capacity.
求大神分析一下这个句子鸭,为什么有两个谓语。。
A layer of primer on an airliner weighs more than a layer of the new coating would (weigh ) by an amount large enough to make a difference to that airliner's load-bearing capacity.