ethylene/vinyl acetate(e/vac) moulding and extrusion materials-part 1:designation system and basis for specifications
tenuated measles virus vaccine(M-vac)
Abstr: Objective To summarize the nursing experience of vacuum-assisted closure(VAC) technology for deficiency of skin and soft tissue in "4·20" earthquake damage.
2007年,布賴恩以全班前幾名的成績完成了H -vac課程,但此時美國經濟已開始步履蹣跚。
Brian finished the "H-vac" programme in 2007 at the top of his class, but he landed in an economy already beginning to teeter.