介绍了热复合型聚乙烯胶带的性能、施工特点和应用效果。
The performances, construction precautions and application results of hot compound polyethylene tapes were introduced.
很多情况下，聚乙烯手套很实用，但是，在一些需要灵活操作的环境下，更贴手型的乙烯基手套就派上用场。
Loose-fitting poly gloves are perfect in most circumstances, but in cases where greater dexterity is needed, closer-fitting vinyl gloves come in handy.
较详细地报导了聚醚型消泡剂的合成及在乙烯装置工艺水中的应用。
The synthesis of polyether type defoamer agent and its application to the process water in the ethylene device are reported.
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