.machine-part1.have4 .part1-top .part1-top-img .part1-top-img-wrap{
	background-image: url('https://usfile.jingdiao.com/uswebsite/images/machines/MRA600/MRA600.png');
	background-position: center;
	background-size: cover;
	background-repeat: no-repeat;
}
.machine-part2-item .highlight-img1 {
	background-image: url('https://usfile.jingdiao.com/uswebsite/images/machines/MRA600/high1.png');
}
.machine-part2-item .highlight-img2 {
  background-image: url('https://usfile.jingdiao.com/uswebsite/images/machines/MRA600/high2.jpg');
}

.download-item:nth-child(1) .download-img .download-bgImg {
  background-image: url('../../images/machines/high-speed-machine-center.png');
}
.download-item:nth-child(2) .download-img .download-bgImg {
  background-image: url('../../images/machines/MRA600/cover-MRA600.jpg');
}