The new prosthesis is a mobile-bearing device, which relies on bearings that move across a surface of polyethylene, a flexible plastic.
这种新的假体是一个移动-支承装置，它所依赖的支承点可以在一个聚乙烯的弹性塑料表面移动。
Freshwater tank: We think the best tanks are made of thick-walled, high-density polyethylene, but flexible tanks can work in an odd-shaped or inaccessible space.
淡水箱：我们认为最好的水箱是用高密度聚乙烯做的并且很厚，但是可移动式的水箱能装在临时的地方或是很难够到的地方。
Waterproof coiled materials of SBS are a flexible felt of polyester fibre as casing, SBS modified asphalt as coating and polyethylene film as antiseizing separation layer.
SBS防水卷材是以聚脂纤维为胎体，以SBS橡胶改性石油沥青为漫渍涂盖层，以聚乙烯塑料薄膜为防粘隔离层的一种柔性油毡。
Significantly more flexible than standard polyethylene tubing.
比一般聚乙烯管更具灵活性。
Significantly more flexible than standard polyethylene tubing.
比一般聚乙烯管更具灵活性。
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