加油环

【建】 collar oiler

加油的英语翻译：

cheer; make an extra effort; play up; put on steam; refuel
【化】 fueling

环的英语翻译：

annulus; hem in; link; loop; ring; surround
【计】 ring up; toroid
【化】 ring
【医】 annuli; anulus; band; circle; circulus; cycle; cyclo-; gyro-; loop; orb
ring; verge