Ensure all paid out vouchers have proper authorisation, signatures and backup.所有付出的凭证有授权, 签字和备份.proper authorisation controls恰当的授权控制Machine parts were also being shuttled across the border without authorisation.机器零部件也在未经...
Hydrocarbons ( HC ), like carbon monoxide, represent unburned and wasted fuel.碳氢化合物 ( HC ) 像一氧化碳一样, 为未燃尽的和被浪费掉的燃料.On occasion, convulsions may be associated with HC.偶而,猪瘟可伴发痉挛.The spilled liquid gasoline quickly evaporat...