food grade

基本解释

Glass, stainless steel and some plastics are food grade.
玻璃，不鏽鋼和一些塑料就屬於食品級材料。
The container you use needs to be made from a special material, called food grade, in order to avoid leaking problems.
爲了避免鉛中毒，用來裝水的容易要用一種特殊的材料，即所謂的食品級材料，。貨櫃您使用的需要作出從一個特殊的物質，所謂食品級，爲了避免泄漏的問題。
All lubricants used in food processing and packaging plants must be food grade.
食品加工和包裝設備中使用的所有潤滑劑必須是食品級。

Born from a need to re-create mixed drinks in perfect proportion, Bartendro uses food-grade tubing, pumps and custom-built electronics to pipe liquids out with a measurement accuracy of a milliliter.
ENGADGET
He discovered a trade publication called Flexible Packaging and in it, found a manufacturer in California that could recreate the pouches used by Andros and Materne: a blend of recyclable, food-grade plastic and aluminum, with a resealable pouch that could hold 90 grams of applesauce.
FORBES: Magazine Article
With a population of 4, 500, it takes about 20 minutes to case its tourist offerings, including a McDonald's, for those who want to douse their nature experience with a bit of low-grade fast food.
FORBES: Rocky Mountain High, Canadian-Style