Carbide Die: including cold heading steel ball mold, cutting tool material, feed tire, the production quality and stability ball mold, long life, can be comparable imported mold.
2
研究三种叶面肥(氨基酸、硼和尿素)对新嘎啦苹果产量的影响。
Three foliar fertilization (amino acid liquid fertilizer, boron and urea) were researched effect on yield of new Gala apple.