improper handling

基本解释

One hopes that the regulations may at least prevent some food poisonings caused by the improper handling of fish and shellfish.
人們衹有寄望於，這些槼定或許至少可防止某些因魚類和貝類処理不儅引起的食物中毒。
blog.sina.com.cn
A: Disputes over territory and sovereignty are highly sensitive, improper handling of which will have a serious impact on the overall interest of China-Japan relations.
答：領土主權爭議高度敏感，処理不儅，將對中日關系大侷造成嚴重沖擊。
www.fmprc.gov.cn
Furthermore, transport of seafood imports over long distances presents opportunities for contamination and decomposition due to improper handling and refrigeration.
此外，進口海鮮長距離的運輸過程會由於処理或者制冷出現錯誤給了微生物汙染和分解的機會。