推荐的燃油节约程序应包含一个警告（如适用），即制造商推荐的功率设置必须在新的和新检修的发动 机磨合期间使用
A.The recommended fuel conservation procedures shalt contain a caution, if useful, that the power setting recommended by the manufacturer must be used during the use period of new and newly overhauled engines. B.The recommended fuel conservation procedures shall contain a caution. If applicable that the power settings recommended by the manufacturer must be used during the break-in period of new and newly overhauled engines C.The receptable. fuel conservation procedures shall contain a cation. If applicable, that the power settings recommended by the manufacturer must be used during the management period of new and newly overhauled engines.正确答案B
