A pre-shaped hollow case of clear plastic is heat sealed to enclose goods onto a backing board which have been printed and coated with blister pack solution.是什么意思_A pre-shaped hollow case of clear plastic is heat sealed to enclose goods onto a backing board which have been printed and coated with blister pack solution.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句