防止或减少焊接变形的工艺措施有选择合理的装配顺序、选择合理的焊接方法有（）、（）、（）。

制定哪些合理的开采措施来防止油井出砂？

防止出砂，如何制定合理的开采措施？

对出砂较严重的井，要尽早采取防砂措施，或及时进行冲砂处理，防止砂卡。

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

为了消除和防止无效作业，可以采取的搬运装卸作业合理化措施包括（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

如何科学、合理地制定专业培养目标和规格。

大学生在求职、找工作时，如何防止受骗（）。