For Vee-form engines, （） is shaped to given two slopping surface on which （） are placed at the correct relative angle to each other.<br>A:the bottom of the column；the cylinder blocks<br>B:the top of the column；the cylinder heads<br>C:the top of the column；the cylinder blocks<br>D:the bottom of the column；the cylinder heads

For Vee-form engines, （） is shaped to given two slopping surface on which （） are placed at the correct relative angle to each other.
A:the bottom of the column；the cylinder blocks
B:the top of the column；the cylinder heads
C:the top of the column；the cylinder blocks
D:the bottom of the column；the cylinder heads

出自：海船船员证

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