polyethylene
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polyethylene
n.聚乙烯polyethylene英英释义Nouna lightweight thermoplastic; used especially in packaging and insulationpolyethylene例句用作名词(n.)Polyethylene is an excellent barrier to water vapor.聚乙烯保水蒸汽的性能良好。This order...
n.聚乙烯polyethylene英英释义Nouna lightweight thermoplastic; used especially in packaging and insulationpolyethylene例句用作名词(n.)Polyethylene is an excellent barrier to water vapor.聚乙烯保水蒸汽的性能良好。This order...