28. There is an abbreviation wording used for crane maximum load, it was remarked by “_____” with the weight number.
(A) SWL
(B) SAR
(C) COW
(D) TEU
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統計: A(465), B(13), C(31), D(143), E(0) #2999702
統計: A(465), B(13), C(31), D(143), E(0) #2999702