1·At present, the sealed lead-acid battery was still the preferred power battery for hybrid electric system.
目前，密封铅蓄电池仍然是混合电力系统的首选电源。
2·At present the large diameter slurry pipe jacking is the preferred construction method in project of urban water supply and drainage pipe and electric power pipe.
目前，大直径泥水平衡顶管掘进已成为城市给排水水管、电力管线工程等首选的施工方法。
3·The main advantage of electric actuators is the driving source convenient, but high price, reliability, water proof as pneumatic actuator, it should be preferred pneumatic.
电动执行机构主要优点是驱动源方便，但价格高，可靠性、防水防爆不如气动执行机构，所以应优先选用气动式。
4·It is the preferred choice of the application of the electric cable tray in future.
是未来工程应用的首选电缆桥架。
5·He also bought perpetual preferred shares and warrants of General Electric Co. two weeks later.
两周后他又买进了通用电气公司(General Electric)的永久性优先股和权证。
6·The main advantage of electric actuators is the driving source to facilitate, but the high price, reliability, water-proof explosion-proof than pneumatic actuator, it should be preferred pneumatic.
电动执行机构主要优点是驱动源方便，但价格高，可靠性、防水防爆不如气动执行机构，所以应优先选用气动式。
7·1 years or above relevant field of foreign trade work experience, large electric motor or welding machine enterprise foreign trade work experience is preferred;
1年以上相关外贸领域工作经验，有大型机电（电机，焊机）企业外贸工作经历者优先考虑；