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841 、埋头铆钉 countersinkheadrivet 842 、埋头锥孔 countersink 843 、埋头螺栓 countersinkheadbolt 844 、埋头螺丝 countersinkheadscrew 845 、埋头钻 countersinkdrill 846 、

发表于:2018-11-29 / 阅读(210) / 评论(0)

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发表于:2018-12-12 / 阅读(146) / 评论(0)

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发表于:2018-12-13 / 阅读(122) / 评论(0)

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发表于:2018-12-13 / 阅读(104) / 评论(0)

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发表于:2018-12-13 / 阅读(84) / 评论(0)

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发表于:2018-12-13 / 阅读(166) / 评论(0)

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发表于:2018-12-13 / 阅读(202) / 评论(0)

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Unit 1 [00:31.66]Looking and seeing Say a poem Look in the mirror. [00:41.30]What can you see?Black hair, [00:47.07]Two brown eyes,One nose,Two ears and A mouth. [00:59.09]I can see me!Look and say What can you see? [01:08.31]I can't see.I can see an

发表于:2018-12-13 / 阅读(200) / 评论(0)

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发表于:2018-12-13 / 阅读(200) / 评论(0)

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[00:02.32]HAVE YOU GOT A DICTIONARY? [00:05.72]Ming Hua:Lucy,have you got a dictionary? [00:15.70]Lucy:Yes,I've got one. [00:18.49]Ming Hua:Can I use it? [00:21.08]Lucy:Sure.Here you are. [00:24.08]Ming Hua:Thank you. [00:26.67]Ming Hua:Lucy,have you

发表于:2018-12-13 / 阅读(123) / 评论(0)

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[00:00.00]Unit 3 What colour is it? [00:05.90]Section B [00:08.03]1a Listen to the conversation. [00:12.77]Color the things in the picture. [00:16.47]What's this in English? [00:18.69]It's a key. [00:20.79]What's color is it? [00:22.65]It's yellow. [

发表于:2018-12-13 / 阅读(116) / 评论(0)

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[00:09.09]Learn to say. [00:13.15]Give me a ruler,please.请给我一把尺子. [00:16.50]This one?这个吗? [00:17.77]No.The yellow one.那把黄色的. [00:48.65][00:20.84]Here you are.给你. [03:10.41][00:50.27][00:22.32]Thank you. [00:24.61]Lis

发表于:2018-12-17 / 阅读(172) / 评论(0)

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发表于:2018-12-29 / 阅读(138) / 评论(0)

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1471 、实践计划 realization 1472 、对比 contrast 1473 、对流 convection 1474 、对接 butt 1475 、对接合；对接榫 buttjoint 1476 、对接角榫 buttmitredjoint 1477 、对接焊

发表于:2019-01-03 / 阅读(132) / 评论(0)

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发表于:2019-01-14 / 阅读(83) / 评论(0)

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发表于:2019-01-21 / 阅读(171) / 评论(0)

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发表于:2019-02-08 / 阅读(315) / 评论(0)

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发表于:2019-02-11 / 阅读(145) / 评论(0)

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质量合格证书 certification of fitness 原材料 raw material 底板 bottom plate 垫层 cushion 侧壁 sidewall 中心线center line 条形基础 strip footing 附件 accessories 型钢 profile steel 钢板 steel plate 熔渣 slag 飞溅 weldin

发表于:2019-02-15 / 阅读(159) / 评论(0)

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发表于:2019-02-18 / 阅读(145) / 评论(0)

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