《DIFFRACTION EFFECTS IN THE ULTRASONIC FIELD OF A PISTON SOURCE AND THEIR IMPORTANCE IN THE ACCURATE》求取 ⇩

《DIFFRACTION EFFECTS IN THE ULTRASONIC FIELD OF A PISTON SOURCE AND THEIR IMPORTANCE IN THE ACCURATE》由于是年代较久的资料都绝版了,几乎不可能购买到实物。如果大家为了学习确实需要,可向博主求助其电子版PDF文件。对合法合规的求助,我会当即受理并将下载地址发送给你。