1、COPYRIGHT 2000 American Petroleum InstituteJanuary 13,2000 09:58:11Information Handling Services,2000COPYRIGHT 2000 American Petroleum InstituteJanuary 13,2000 09:58:11Information Handling Services,2000COPYRIGHT 2000 American Petroleum InstituteJanuary 13,2000 09:58:11Information Handling Services,2
2、000COPYRIGHT 2000 American Petroleum InstituteJanuary 13,2000 09:58:11Information Handling Services,2000COPYRIGHT 2000 American Petroleum InstituteJanuary 13,2000 09:58:11Information Handling Services,2000COPYRIGHT 2000 American Petroleum InstituteJanuary 13,2000 09:58:11Information Handling Service
3、s,2000COPYRIGHT 2000 American Petroleum InstituteJanuary 13,2000 09:58:11Information Handling Services,2000COPYRIGHT 2000 American Petroleum InstituteJanuary 13,2000 09:58:11Information Handling Services,2000COPYRIGHT 2000 American Petroleum InstituteJanuary 13,2000 09:58:11Information Handling Serv
4、ices,2000COPYRIGHT 2000 American Petroleum InstituteJanuary 13,2000 09:58:11Information Handling Services,2000COPYRIGHT 2000 American Petroleum InstituteJanuary 13,2000 09:58:11Information Handling Services,2000COPYRIGHT 2000 American Petroleum InstituteJanuary 13,2000 09:58:11Information Handling Services,2000COPYRIGHT 2000 American Petroleum InstituteJanuary 13,2000 09:58:11Information Handling Services,2000COPYRIGHT 2000 American Petroleum InstituteJanuary 13,2000 09:58:11Information Handling Services,2000