Suresight手持式自动验光仪
Suresight hand-held autorefractor
不接地手持式器具
handheld appliances without an earth connection
嵌入式手持无线终端
the handheld embedded wireless terminal
手持式2M误码测试仪
the handhold 2M bit error tester
手持式RFID阅读器系统
handheld RFID reader systems
手持式超声波流量计
hand-held ultrasonic flowmeter
手持式冲击钻
hand-held hammering drill