nozzle extension延伸: extend; stretch; elongate; r ...段: section; segment; part; para ...圆柱形喷管延伸段: cylindrical nozzle extension枪管延伸部: barrel extension管形延伸段: tubular extension下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:喷管延伸段,即可在微信中查询翻译