采用间断级配配制的混凝土，虽然强度较高，但空隙率较大。（）

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

以下哪些情况会造成提示“Incorrect number or IP address”？（）

凿除时，混凝土须达到下列强度：用人工凿除时，须达到。用风动机凿除时，须达到（）

采用间断级配配制的水泥混凝土具有（）特点。

擦拭天平须采用以下那种工具。（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

在钻孔灌注桩施工中，水下灌注混凝土（导管灌注混凝土）的配制应符合下列要求：粗集料宜优先选用卵石，也可采用级配良好的碎石；细集料宜采用级配良好的细砂。