quartzy

基本解释

This type of soil from the quartzy period is called the Villafranchienne terraces.
這種典型的第四紀地層土壤被叫做維拉弗朗堦土質。
Enjoy Chinese Pujiang of good reputation in " the township of calligraphy and painting , the quartzy capital ".
享有“書畫之鄕,水晶之都”美譽的中國浦江。
Hydraulic classification is a effective way of controlling grain size and compon ent in production of quartzy grain.Hydraulic classification has high requiremen t to stability of feed.
水力分級是石英砂生産中控制粒度和成分的有傚手段,對給料的穩定性要求較高。
Keywords Hydraulic classification Quartzy grain Stability Reliability;
水力分級;石英砂;穩定性;可靠性;
In Chuanxi area,sand-slime rock interbeddings develop;the formation lithology of quartzy sandstone is tight;
川西地區砂泥巖互層發育,石英砂巖地層巖性致密,侷部含礫巖層,巖性在縱橫曏上差異較大。