cultivation outside plastic film cover 膜外侧栽培
plastic c film cover 塑料薄膜被覆物
cover with plastic film 覆盖塑料薄膜
When the operating time is constant, the plastic film cover of precipitation is decided by the rainfall duration and daily evaporation.
当操作时间一定时，塑苫的降水量由降水持续时间和日蒸发量决定。
The vitrification rate caused by cotton plug wrapped in cheese cloth was the lowest among all seal materials, including polyethylene film, plastic cover and sulfuric paper.
封口材料中聚乙烯膜和塑料瓶盖两个处理玻璃化率相似且玻璃化率高，硫酸纸次之，棉塞的最低。
This paper studied the effect of plastic film mulch cover on growth and development and water use efficiency of small squash in the dryland.
研究了地膜覆盖对旱砂地小南瓜生育特性和水分利用效率的影响。
应用推荐