单项选择题

In Cargo Survey，O．B．Q．refers to ______．

A.own
C.on
D.on-delivery
E.on

你可能感兴趣的试题

单项选择题

In Cargo Survey，T．C．V．refers to ______．

A.total
C.terminal
D.tank
E.tolerance

单项选择题

You are to load styrene in bulk，which is subject to self-polymerization．You must ______．

A.Not
C.Inject
D.Be
E.Use