根据根据茶园土壤特性选择肥料

冲积物的特点是（）和（）。

试比较冲积物和冰碛物的异同。

试比较冲积物和风积物的异同。

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。

下列哪种肥料元素在土壤中移动性强。（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。