The outlet from an expansion tank of a closed freshwater cooling system should be piped to
A. cylinder head water outlet header
B. cylinder jacket inlet main
C. heat exchanger inlet connection
D. jacket water pump suction line
一份不定值保险投保时，保险标的实际价值为300万元，保险金额为400万元;发生保险事故时，该标的实际价值为600万元，实际损失为450万元，则保险人应支付赔偿()万元。
A. 300
B. 400
C. 450
D. 600
()is where delicious food is cooked.
A. the funnel
B. the messroom
C. the galley
D. the satellite antenna
粮食发热初发阶段可能生长的霉菌是()。
A. 放线菌
B. 白曲霉
C. 局限曲霉
D. 黄曲霉
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