







垫层 (diàn céng) means “subbase, bedding layer, underlayment, padding layer” in Chinese. See the pinyin, native audio pronunciation, and 2 example sentences with English translations.
subbase
bedding layer
underlayment
padding layer
The company provides a styrofoam cushion to protect the tablets during shipping.
The design of replacement underlayer thickness is crucial to the replacement method of ground treatment.