Hit the Nails　　 Servant: Little Fido,what do you do with the hammer ?　　 Fido: Hit the nails.　　 Serv......

德国Lauch hammer Gmbh of Leipzig集团公司新近开发了一种新型TAKRAF管式输送机。其主要优点是:1)可防止物料因暴露在外而污染;2......

本文根据出土的稻谷、东汉时期的水田模型、一部分史料及一些老人的回忆等来分析、推测云南古代水力机械出现的大致时间,并简要描......

The high-frequency interference exists obviously in low strain integrity testing of large-diameter pipe pile when a tran......

The hydro-hammer sampler is a new type of sampler compared with traditional ones. An important part of this new offshore......

The method of characteristic(MOC) was adopted to analyze the check valve-induced water hammer behaviors for a Parallel P......

Crusher hammers for the mineral processing industry must meet the demands of both high wear resistance at the hammer hea......