检验卡（片）

收费一卡制：对于一些必要收取的规费和有偿服务收费,由县行政服务中心制发收费明白卡,实行一卡管全年,严禁卡外收费。

check, buy the bill, pay the bill

check out

put a check on

downbear counterflow and check vomiting

final check

by-pass check valve (free-wheeled checkvalve)

by-pass check valve (free-wheeled check valve)

leak test【试验】;leakage check test【电子】