With the hoist electric net in coal mine as the background, the harmonics characteristics of big DC electric power drives, especially 12-pulse serial converter is analyzed.

以矿井直流提升机供电系统为研究背景，对大功率直流电力传动装置，特别是串联12脉动整流电路进行了谐波特性分析。

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If the request gate leg width is big, the working speed is high, or lifts heavy, the long big-ticket item frequently, then chooses the double Liang portal type hoist crane suitably.

如果要求门腿宽度大，工作速度较高，或经常吊运重件、长大件，则宜选双梁门式起重机。

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It was like watching Atlas gear up to hoist that big boulder we now live on.

NPR: Chapter 1

The biggest lures are naturally the big beer tents where local businessmen in lederhosen hoist mugs with bearded mountain folk and giddy Italian tourists.

BBC: Oktoberfest turns 200