After reinstalling the engine-transmission unit , the atf level must be checked , and topped up as required .
重新安装发动机-变速器单元后,必须检查atf油位,然后按照要求将其加满。
Learned everything I know from atf .
我从枪管局所学到的每件事。
Fit atf line on the engine .
将atf管路安装到发动机上。
I 'll start with atf , see what they know .
我会去问烟酒枪械局,看他们知道多少。
But atf has authority only to enforce existing criminal laws , not to apply new health and safety standards .
但该署只是有权执行现有刑法,无权实施新的卫生和安全标准。
Enthusiasts who regularly purchase multiple guns report they 've never been visited by federal agents , and the bureau of alcohol , tobacco , firearms and explosives ( atf ) stays plenty busy with real targets , such as unemployed young buyers who spend thousands of dollars to buy dozens of copies of the same gun .