a plastic case is compartmentalized for safe storage
Related Translations:
便于: easy to; convenient for 短语和例子便于携带 easy to carry; 便于接受 can be readily accepted by; 便于工作 convenient for work; 便于查阅 easy to look up (in a book, dictionary, etc.); 为了便于青少年学习, 他们编了一套《自然科学小丛书》。