单项选择题
A.failure of the proper operation of emergency generator
B.insulation of piping including exhaust pipes in engine room contaminated by oil
C.improper operation of bilge of bilge of bilge pumping arrangements
D.damaged sanitary pump
单项选择题 During the PSC inspection, under the provisions of SOLAS 74, which one may not be regarded as clear grounds for ships’ detainment?（）
单项选择题 During the PSC inspection under the provision of SOLAS 74, which one may be regarded as clear grounds for ships’ detainment?（）
单项选择题 Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）