BP公司的马孔多油井近三个月来持续向海水中泄漏原油和天然气，直到七月工程人员加上了控油罩才止住了漏油。
BP's Macondo well spewed oil and natural gas for nearly three months, before crews installed a cap that halted the leak last month.
这是合乎逻辑的，然后才作出孔为4螺栓和2引脚和那些为脊柱，您已检查是否有可能使曲轴箱之间，所有这些漏洞。
It is logical that before making holes for the 4 bolts and the 2 pins and those for the spine, that you have checked whether it is possible to make the crankcase in between all those holes.
应用推荐