barrier bed

常见例句

The new standards make green environment protection the main trend of technical trade barrier of products like textiles and bed mattresses.
新标准的颁发使绿色环保成为纺织品及床垫等类似用品技术性贸易壁垒发展的主要趋势。
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In vertical direction, the existence of isolated barrier bed may result in the formation of multiple vertical sequence units, and the development of interlayer oxidation zone and uranium roll.
在垂向上，隔挡层的存在可以导致多个垂向序列单元、层间氧化带和铀矿卷头的发育。
The only barrier was a mosquito net, enveloping the entire bed.
唯一的障碍是那顶蚊帐罩住整个床。