Studies are conducted on melting snow and keeping green by electric cable heating system on Beijing sports turf in winter, grass seed selection, and turf soil temperature field.
本文对北京地区草坪冬季电缆电热融雪保绿问题，草种的选择及土壤温度场进行研究，旨在对北京地区草坪电缆加热系统进行优化设计。
But the key of planting Protection is the selection of grass seed and Sowing method.
而植草防护成败的关键是草种、播种期及播种方法的选择。
But the key of planting Protection is the selection of grass seed and Sowing method.
而植草防护成败的关键是草种、播种期及播种方法的选择。
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