“最大量”的英语？

排气中最大量的排放物是在怠速和低速运行时产生的.The greatest amount of exhaust emissions are produced at idle and during low - speed operation.但在最大量的访问者中, 大约一半是自学者.But the largest number of visitors, about half, are self - learners.我们只能有限度地、最大量...