单词	packing screw
释义	packing screw 衬垫螺旋
随便看	negative ghost image negative glass-rod phenomenon negative glow negative-glow generator negative-glow lamp negative glow lamp negative glow region negative-glow thyratron negative GM negative-going negativegoing negative going negative going edge negative-going input threshold voltage negative-going noise negative-going pulse negative going pulse negative-going reflected pulse negative going reflected pulse negative-goings negative going sawtooth wave negative-going signal negative going signal negative-going threshold voltage negative-going transition 嘻皮笑脸嘻笑怒骂嘼嘽嘾嘿嘿3 噀噀1 噀3 曜曜日曝く曝けだす曝け出す曝し曝す曝ク曝ケダス曝ケ出ス