河沙烘干机使用的变频器主要采用交一直一交方式(VVVF变频火矢量控制变频),先把河沙烘干机工频交流电源通过整流器转换成直流电源,然后再把河沙烘干机直流电源转换成频率、电压均可控制...
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作为通融,我方同意你方采用付款交单方式,但仅此一次次。
As a special accommodation, we agree to your D/P payment terms, but only for once.
男孩子都说他们很喜欢这样的上课方式,他们可以交不同年级的朋友。
The boys said they like the arrangement because they have met new friends in other grades.
我们还想指出我们主要以承兑交单方式结帐。
We would also like to point out that we mainly settle our accounts on a documents-against-acceptance basis.
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