那个乖戾的商人捻弄着他卷曲的胡子，洽够头批30颗珍珠。
The surly merchant twirled his curly moustache as he purchased the first thirty pearls.
如果钢帘线断丝头碰到探头，发射器就发射报警信号，接收器接到信号，立即控制捻股机停车。
If the broken filament touches the probe, the emitter will transmit signal, the receiver receivers the signal and controls the machine stop at once.
如果钢帘线断丝头碰到探头，发射器就发射报警信号，接收器接到信号，立即控制捻股机停车。
If the broken filament touches the probe, the emitter will transmit signal, the receiver receivers the signal and controls the machine stop at once.
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