简述管道运输的特点和管道运输的形式。

管道运输可以双向运输

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

运输信息包括陆地货物运输信息、水上货物运输信息、航空货物运输信息、管道货物运输信息、邮政特快专递货物运输信息以及货场的货物存储信息。

集装箱既是运输工具，又是包装方法、包装容器。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

在现代交通运输的铁路、公路、水运、航空、管道5种运输方式中，公路运输与其他运输方式相比较，具有（）特点。