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【简答题】
请对以下商品进行HS编码归类:冷藏的葡萄 。
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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【简答题】碳钢马氏体的组织形态主要有 状和 状,其中 状马氏体强韧性较好。
【简答题】Find out Useful Expressions according to the specific meanings.
【简答题】碳钢马氏体的组织形态主要有 、 ,其中 强韧性较好。
【单选题】The energy sent out by the exploding star is______.
A.
100 times the energy sent out by the Sun in a year.
B.
100 million times the energy sent out by the Sun in a year.
C.
100 million times the energy sent out by the Sun in a day.
D.
100 billion times the energy sent out by the Sun in a day.
【单选题】Why couldn't Tom and Judy find out who sent them the tickets?
A.
Their friends wanted to keep it a secret.
B.
The letter with the tickets was not signed.
C.
There was no letter with the tickets.