In more recent years, （） heat exchangers have frequently been employed for jacket water and oil cooling.<br>A:shell and tube type<br>B:plate type<br>C:coil type<br>D:conical disc type

In more recent years, （） heat exchangers have frequently been employed for jacket water and oil cooling.
A:shell and tube type
B:plate type
C:coil type
D:conical disc type

出自：海船船员证

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