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單項(xiàng)選擇題

（）is more accurate and easier than Fixed Interval System ( FIS ) in the order method.

A.Fixed Quantity System
B.Fixed Timing System
C.Fixed Channel System
D.Double-note system

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單項(xiàng)選擇題

（）has three specific points: fixed line and announcing shipping time in advance.

A.liner transport
B.line ship
C.line container
D.line

單項(xiàng)選擇題

（）is very convenient equipment for loading and unloading goods.

A.Crane
B.pallet truck
C.Fork lift
D.Fork lift truck

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