Compared to the amount of concentrated foam liquid used，the amount of low expansion mechanical foam produced is（）.<br>A:97 times greater<br>B:94 times greater<br>C:10 times greater<br>D:2 times greater

Compared to the amount of concentrated foam liquid used，the amount of low expansion mechanical foam produced is（）.
A:97 times greater
B:94 times greater
C:10 times greater
D:2 times greater

出自：海船船员证

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