Size: each arm is 15cm long to handle a wide size range;the long 12.7cm safety handle is a clear,nonconducting acrylic.是什么意思_Size: each arm is 15cm long to handle a wide size range;the long 12.7cm safety handle is a clear,nonconducting acrylic.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句