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v.保证( insure的现在分词 )，确保，为…保险，投保...
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I shall not rest satisfied with merely employing my capital in insuring ships.光是在船舶保险上投资我才不满意呢.These valves feature precisionmachined parts insuring years of dependable operation.为了保证几年内能够可靠运行,这些阀门都采用精密加工部件.Display the p...
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Bite block and tongue depressor. insuring unobstructed ventilation.用于防止舌后坠, 保障患者正常通气.I shall not rest satisfied with merely employing my capital in insuring ships.光是在船舶保险上投资我才不满意呢.The joint of shell and cover is the for ...