Cast irons weakness in tension and under shock loading limits its use to low pressure steam, air, oil and low speed water fittingsThe above sentence, most probably means （）.<br>A:cast iron has weakness<br>B:cast iron can stand up shock loading<br>C:cast iron fittings are only suitable in low pressure situation<br>D:east iron fittings are not suitable in low pressure situation

Cast irons weakness in tension and under shock loading limits its use to low pressure steam, air, oil and low speed water fittingsThe above sentence, most probably means （）.
A:cast iron has weakness
B:cast iron can stand up shock loading
C:cast iron fittings are only suitable in low pressure situation
D:east iron fittings are not suitable in low pressure situation

出自：海船船员证

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