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遮阳网
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遮阳网
以聚烯烃树脂为基础原料,并加入防老化剂和其他助剂,融化后拉丝编织成的一种耐老化、高强度的新型网状农用覆盖设施材料。又称遮光网、遮阴网、凉爽纱。夏季覆盖起到遮光、挡雨、保湿、降温的作用。冬春季覆盖还有一定的保温增湿作用。
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prelanguage
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Prelature of the Holy Cross and Opus Dei
prelaunch survivability
preleptotene stage
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preliminary budget examination
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Preliminary Compilation of Qing Poetry Chronicle
preliminary constitutionality
preliminary corrosion
preliminary crushing equipment
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preliminary designation
preliminary design for landscape planting
preliminary design for urban rail transit
Preliminary Design in Environmental Engineering
preliminary design of deposit mining
preliminary design of helicopter
preliminary design of military aircraft
preliminary design of UAV
preliminary feasibility study of deposit mining
Preliminary General Catalogue
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