查询词典 by air

Would you like to post by sea or by air?

你想寄海运还是空运？

The removal of arsenic and antimony from the oxidated solution was investigated in the sodium thioantimonite production by air oxidation, and the approach of enhancing the by-product output of sodium thiosulfate was explored.

研究了空气氧化法生产焦锑酸钠的氧化后液中脱除砷和锑的方法，并探讨了提高副产品硫代硫酸钠产量的途径。

Preparation of trimanganese tetroxide by air oxidizing free divalent manganese ions;2. In this paper, the trimanganese tetroxide with high specific surface area was prepared by the oxidation of the manganese powder with the catalyst - ammonium salt,and the effected factors were discussed.

研究了以铵盐作催化剂，利用高纯度锰粉悬浮液通空气催化氧化来制备高比表面四氧化三锰，并讨论了各因素对实验结果的影响，确定了反应的最佳条件；并对产品进行了检测和表征，经XRD检测确定产物为四氧化三锰。

How would you go to Beijing, by air or by tra in?

你怎样去北京，是乘飞机还是坐火车？

I'm not wrought-up, He needn't send it by air, only send it by sea.

我不着急，他不必用航空寄过来，海运寄过来就可以。

A process approaching 3 and 4 chlorophthalic anhydride in high purity via chloriation of o xylene , oxidation of monochloro o xylene by air in gas phase,and separation of 3 and 4 chlorophthalic anhydride afterwards by distillation is described.

介绍由邻二甲苯氯代，再经空气氧化及异构体分离合成氯代苯酐中试规模的合成路线。

How would you like to go to the following places, by boat, by air orby bus?

你愿意以什么方式到下面的位置，坐船，乘飞机或坐公共汽车？

I 'm unworried ,so he can send me by sea instead of by air

我不着急。他不必用航空寄来，海运过来就可以。

I am unworried. He can send it by sea instead of by air.

我不着急。他不必用航空寄来，海运过来就可以。

The man will come by train or by air as it may chance .

那人是坐火车还是乘飞机来要视情况而定。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。