This several thousand meter long ground net can not only resist the sand in the primary-harm wind direction but also guide the sand in the secondary-harm wind direction.
这道延伸数千米的地网既能在主害风向上阻沙，又能在次害风向上导沙。
The sand content in the water of Qiandao Lake averages just 0.007 kilos per cubic meter.
这千岛湖的水啊平均含沙量是每立方米0.007千克。
Experimental data of moving sand grains are introduced and the turbulent structure of flow is investigated by laser current meter.
本文采用激光流速仪对挟带推移质水流的紊流结构进行了较系统的试验研究。
In this paper, working principle, technical characteristics and operational performance of ZXS1 Intelligent Molding Sand Moisture Meter are described in detail.
对所研制的ZXS1智能型砂水分计的工作原理、技术特性和使用性能进行了详细的叙述。
In this paper, working principle, technical characteristics and operational performance of ZXS1 Intelligent Molding Sand Moisture Meter are described in detail.
对所研制的ZXS1智能型砂水分计的工作原理、技术特性和使用性能进行了详细的叙述。
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