"Offshore unit" means any fixed or floating offshore installation or structure engaged in gas or oil exploration, exploitation or production activities, or loading or unloading of oil.
“近海装置”系指从事气或石油的勘探、开发或生产活动或油的装卸的任何固定或浮动的近海装置。
2
The exploitation technology of electrical control unit is key technology electrical control system, it is secrecy, the open datum is very rarely.
电控单元的软硬件开发技术作为电控系统开发的关键技术，被严格保密，公开的资料很少。
3
The analysis indicates that the unit operation of horizontal wells and vertical wells in reservoirs of low abundance occupies a dominant position in benefit, effectiveness of exploitation and.