23. How many two-way radiotelephone apparatus shall be provided on every ocean going cargo ship of 500 gross tonnage and upwards as per SOLAS?
(A) At least 2.
(B) At least 3.
(C) At least 4.
(D) At least 5.
詳解 (共 2 筆)
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23、按SOLAS公約規定，500總噸及...
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At least three two-w...
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