Băng chuyền hành lý có hành lý ký gửi.

Because the two instances do different jobs:

• băng chuyền hành lý = baggage carousel / baggage conveyor
• hành lý ký gửi = checked baggage

So the first hành lý helps name the type of băng chuyền, while the second hành lý is the actual luggage being talked about.

This kind of repetition is very normal in Vietnamese. Vietnamese often builds meanings with separate words instead of changing word forms the way English does.

Có usually means to have, but in Vietnamese it can also work like there is / there are, depending on the structure and context.

In this sentence, có gives the idea that the baggage carousel has / contains / has on it checked baggage.

So you can think of it as something like:

• has
• contains
• or, a bit more loosely, there is

Vietnamese often uses có in ways that are broader than just English have.

Ký gửi means to check in, to consign, or to send through officially.

At an airport:

• hành lý ký gửi = checked baggage
• hành lý xách tay = carry-on baggage

So ký gửi tells you that this is luggage that was handed over to the airline, not luggage the passenger keeps with them.

Because Vietnamese usually puts many modifiers after the noun.

So:

• hành lý ký gửi = literally baggage checked-in
• not checked baggage in English order

This is very common in Vietnamese:

• nhà lớn = big house
• xe mới = new car
• hành lý ký gửi = checked baggage

English often puts descriptive words before the noun; Vietnamese often puts them after.

It behaves like a modifier, but it comes from a verb phrase.

In Vietnamese, a verb or verb phrase can directly modify a noun without needing a relative pronoun like that is or which is.

So:

• hành lý ký gửi literally feels like baggage [that was] checked in

Vietnamese often leaves out words that English would need.

Yes, it is a common expression for a baggage carousel / baggage conveyor belt.

Related airport expressions include:

• băng chuyền hành lý = baggage carousel
• băng chuyền số 3 = carousel number 3
• khu lấy hành lý = baggage claim area

So băng chuyền hành lý is a normal airport phrase.

It is understandable, but by itself it sounds a little stiff or context-dependent.

A Vietnamese speaker might more naturally say:

• Trên băng chuyền có hành lý ký gửi. = There is checked baggage on the carousel.
• Băng chuyền này có hành lý ký gửi. = This carousel has checked baggage.
• Đây là băng chuyền hành lý ký gửi. = This is the carousel for checked baggage.
• Băng chuyền dành cho hành lý ký gửi. = The carousel is for checked baggage.

So the original sentence is not impossible, but in real life another version may sound smoother.

Vietnamese does not use articles the same way English does.

So a bare noun like băng chuyền hành lý can mean:

• the baggage carousel
• a baggage carousel
• or just baggage carousel in a general sense

Context tells you which one is intended.

If Vietnamese wants to be more specific, it can add words such as:

• một = one / a
• này = this
• đó / kia = that

For example:

• một băng chuyền hành lý = a baggage carousel
• băng chuyền hành lý này = this baggage carousel

No, not in this sentence.

Classifiers are often used when counting or specifying individual things, but they are not required all the time.

For example:

• một cái băng chuyền = one carousel
• cái băng chuyền này = this carousel

But in a general statement like Băng chuyền hành lý có hành lý ký gửi, leaving out the classifier is normal.

Vietnamese usually does not mark tense explicitly unless it needs to.

So this sentence is understood from context, usually as present.

If you wanted to make time clearer, you could add words like:

• đã = past
• đang = ongoing
• sẽ = future

For example:

• Băng chuyền hành lý đã có hành lý ký gửi. = The carousel already had / now has checked baggage.
• Băng chuyền hành lý đang có hành lý ký gửi. = The carousel currently has checked baggage.

In many everyday sentences, Vietnamese simply leaves tense unstated.

Yes, that is a useful way to think about them.

• băng chuyền hành lý = a noun plus a specifying noun
• hành lý ký gửi = a noun plus a modifying verb phrase

Vietnamese often builds longer noun phrases by putting the main noun first and then adding more information after it.

That is one reason Vietnamese word order can feel different from English, where modifiers often come before the noun.