- 重点词汇
- 相关例句
Replication is necessary because site conditions are always somewhat variable.
重复是必须的,因为立地条件常常有些变化.
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Auction sales present problems in determining when the contract was formed.
当合同已经成立时,拍卖的销售可能在决定中出现问题.
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They proceeded at once to extract the interior mould, clearing out the boring of the piece.
他们立时动手掘砂模, 掏清炮筒.
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