tugboat造句
31 The damaged ship was taken in tow by a tugboat.
32 The Italian - flagged tugboat Buccaneer was hijacked in the Gulf of Aden on April 11.
33 Here, the wreck of a tugboat rests in its sandy Caribbean grave.
34 Empoldering oneself rear tugboat can pledge delivering cloth equilibrium, chain stitch beautiful, when it fast runs.
35 The port tugboat scheduling is a kind of parallel machines scheduling problem with special process constraint.
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