JT/T 185.3-2002 Technical requirement for repairing special equipment of trailing hopper suction dredgers Part 3: Box Shape bottom doors. 1范围 JT/T 185

JT/T 177.1-2002 Repairing technical requirement for special equipment of grab dredgers Part 1:Main rotary shaft. turming shaft and driven shaft. 1范围 J

JT/T 177.6-2002 Repairing technical requirement for special equipment of grab dredgers Part 6: Repair and assemblage for rotary unit. 1范围 JT/T 177.6规定

JT/T 156.4-2002 Repairing technical requirement for dredge pump of dredgers Part 4: Impeller shaft. 1范围 JT/T 156.4规定了离心式泥泵叶轮轴的修理与换新技术要求。 JT/T 156.4适用于

JT/T 156.6-2002 Repairing technical requiremnent for dredge pump of dredgers Part 6:Suction month liner. 1范围 JT/T 156.6规定了离心式泥泵的叶轮防磨环与吸口防磨环的修理与换新技术要求。

JT/T 156.7-2002 Repairing technical requirement for dredge pump of dredgers Part 7:Pump-assembling. 1范围 JT/T 156.7规定了挖泥船用离心泥泵总体装配技术要求。 JT/T 156.7适用于绞吸

JT/T 156.2-2002 Repairing technical requirement for dredge pump of dredgers Part 2:Pump cover. 1范围 JT/T 156.2规定了离心式泥泵泵盖的修理与换新技术要求。 JT/T 156.2适用于绞吸、耙吸吹

JT/T 156.3-2002 Repairing technical requirement for dredge pump of dredgers Part 3:Impeller. 1范围 JT/T 156.3规定了船用离心式泥泵叶轮的修理与换新技术要求。 JT/T 156.3适用于绞吸、耙吸、

JT/T 185.4-2002 Technical requirement for repairing special equipment of trailing hopper suction dredgers Part 4:Conical bottom valve. 1范围 JT/T 185.4规

JT/T 185.5-2002 Technical requirement for repairing special equipment of frailing hopper suction dredgers Part 5: Hydraolics gate valve. 1范围 JT/T 185.