A: Are you a pipe fitter?

The use of dissimilar metals in a plumbing system may or may not create a problem.

管道系统采用的异金属可能会也可能不会产生问题.

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Then it's recycled back into the plumbing system.

最后,经过回收的水又流回了冲水系统.

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Skills to read layouts and Engineering drawings, can design plumbing system as well.

熟练的读懂管路分布图及工程图纸, 能够设计给排水管路系统.

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In addition, the germinative energy, germinative index and vital index of the seeds also discorded between HT and CK.

此外，航天组与对照组SP1植株的种子发芽芽势、发芽率及活力指数等指标上也表现出一定差异。

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The husband discorded with his wife.

丈夫与他妻子不和。

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The speaker's opinion discorded with the principle of this society.

演讲者的意见与本会的原则不符。

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Learn to express something with Past Perfect Tense.

学会描述过去所发生的事情.

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The present and past perfect tenses both belong to the perfect tense.

现在完成时和过去完成时都属于完成时态.

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An aurora borealis sends ribbons of yellow - green light through the sky over northern Canada.

北极光在自然界的模式。一个北极光发送黄绿色带灯光通过加拿大北部上空。

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The distribution characteristic of auroral electrojet in AZS, is helpful for the studies of F layer and magnetosphere coupling in polar region and aurora dynamics.

了解了极光电集流在南极中山站的分布特征，有利于极区电离层和磁层耦合及极光动力学的研究。

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The Alfv é n solitary waves, accompanied by the parallel electric field, take an important part to accelerate the charge particles. This provides a possible physical mechanism for the acceleration of polar aurora in the auroral region.

Alfv啨n孤波携带有平行电场，它对带电粒子的加速有重要作用，这给极光粒子加速提供了一种可能的物理机制。

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The S & P 500 is down 50 % from its peak, and indexes around the world have cratered.

标准 普尔 500指数迄今已从高点回落50%左右, 世界各地的股指也纷纷下跌.

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Artillery cratered the road.

大炮把路面轰得坑坑洼洼.

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I further cratered my chin as an adult.

成年后,我又在下巴上留下了痕迹.

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Aurora felt the opium haze enfold her

奥萝拉感觉自己被笼罩在鸦片烟霾中。

《柯林斯高阶英汉双解学习词典》

The Expressions of Aurora A in Human Esophageal Squamous Cell Carcinoma

食管鳞状细胞癌组织中TPX2的表达

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AURORA: At least you found the great love of your life.

奥柔拉：至少你生命中找到了挚爱。

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So if you see an aurora, keep your ears open.

所以，如果你看到极光，记得竖起耳朵倾听。

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Effect of Aurora A on Biological Phenotypes of Prostate Cancer Cells

Aurora A表达对人前列腺癌细胞生物学行为的影响

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The people we lost in Aurora loved, and were loved.

在奥罗拉，我们失去了我们所爱和爱着我们的人。

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