Clubbing baby seals to death for their pelts is wrong.为了获得海豹皮而用棍棒打死幼海豹是不道德的。Check seals on fridges and freezers regularly.定期检查冰箱和冷冻柜的密封装置。They saw many seals off the Coast of Alaska.他们在阿拉斯加海岸外看见很多海豹....
There may be widespread changes in ground elevation as well as horizontal or shear displacements.地面标高可能发生广泛的变动,也可能发生水平位移或剪切位移.The laws of physics are symmetrical for translational displacements.物理定律对平移是对称的.And then there...
研究了压接工艺的电接触特性.Contact resistance of the pressure contact structure is investigated.还有压接接触件和电缆衬垫.Crimp contacts and cable glands are also available.压线帽使用的压线轴必须是专用配套的“三点抱压式”压接钳.Bobbin used by wire joint should be crimping ...
He's a good correspondent.他是个勤于写信的人。Our economics correspondent, James Morgan, is just back from Germany.我们的财经记者詹姆斯·摩根刚刚从德国回来。Our correspondent Stephen Sackur has just returned from the camps on the border...我们的通讯记者...