[单选题]The use of these devices is restricted to the measurement of small to medium volume flows of low molecular weight liquids free of solid components.句中 free of 意为( )
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2023-10-01 08:02:23
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[单选题]The use of these devices is restricted to the measurement of small to medium volume flows of low molecular weight liquids free of solid components.句中 free of 意为( )

A.空闲的
B.自由的
C.有……的
D.无……的
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