词汇	circle of Zinn
释义	circle of Zinn 视神经血管环
随便看	scavenging air pipe scavenging air plate valve Scavenging air plate valve complement scavenging air port scavenging air pump scavenging air receiver scavenging air system scavenging air trunk scavenging air valve scavenging arrangement scavenging blower scavenging-blower scavenging box scavenging box fire scavenging by blower Scavenging capacities scavenging capacity scavenging circuit Scavenging coefficient scavenging-compression stroke scavenging compressor scavenging duct scavenging duration scavenging efficiency scavenging ejector