简述水泥混凝土路面防止早期收缩裂缝的技术措施。

混凝土构件表面出现不规则裂缝，此类裂缝—般是由于（）产生的裂缝。

不属于混凝土结构裂缝控制等级分类的是()。

不属于混凝土结构裂缝控制等级分类的是（　）。

请简述平台危险区的分类及分类标准。

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.

简述裂缝的分类，影响裂缝宽度的因素？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

轻度水泥混凝土板裂缝表现为裂缝窄、裂缝处未剥落，缝宽（），一般为未贯通裂缝。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。