用钢丝绳或管子下入的一种打捞工具。
通过工程实例，介绍了一种简易事故打捞工具。
Through the construction example, a simple fishing tool is introduced to deal with the accident.
通过工程实例，介绍了一种简易事故打捞工具。
Through the construction example, a simple fishing tool is introduced to deal with the accident.
应用推荐