[ 复数 choppers 第三人称单数 choppers 现在分词 choppering 过去式 choppered 过去分词 choppered ]
Compared with cascade speed-regulation system, the difference is that DC chopper is joined into rotor DC circuit.
与常规串级调速系统不同之处在于转子直流回路中加入了直流斩波器。
参考来源 - 矿井提升机交流电机斩波串调系统的研究What restrain it's developing speed is that the chopper is invalidated frequently affected the agriculture occasion, increased the work cost, to a certain extent restricted its popularization.
但刀具的频繁失效,影响了农时,增加了作业成本,在一定程度上又制约了其推广速度。
参考来源 - 根茬还田刀具火焰喷焊耐磨性强化研究·2,447,543篇论文数据,部分数据来源于NoteExpress
同义词: chop
同义词: pearly
同义词: cleaver meat cleaver
以上来源于: WordNet
N-COUNT A chopper is a helicopter. 直升飞机 [非正式]
Overhead, the chopper roared and the big blades churned the air.
直升飞机在头顶上轰响着,巨大的浆叶搅动着空气。
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