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词汇 sealing-off
释义 sealing-off 英'siːlɪŋ'ɔːf美'siːlɪŋ'ɔːf COCA²⁸⁰¹³⁶⁺BNC²³⁶²¹³⁺¹
基本英英例句
开焊,封口

动词 seal off:
make tight; secure against leakageimpose a blockade onIt adopts double working position for winding,unwinding and sealing.双工位放料和收卷,双工位封口。
The shaping step is especially designed to keep the sealing from breaking, so the sealing is flat and smooth.为了避免封口起皱,本机特设计整形工位,使封口平整无褶皱。
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