double-sleeve 双重管
double-sleeve structure 双重管结构
double sleeve lobectomy 双袖状肺叶切除术
tube with double-sleeve structure 双重管结构
double layer rubber sleeve 双层护套 ; 双层保护
double graphite sleeve 双层石墨套筒
Double-needle sleeve and bottom hem 袖子和衣摆要车双针
The operations included double sleeve left upper lobectomy in 199 cases;
支气管肺动脉袖状成形左上叶切除术199例;
The paper introduces the resistance forming, double sleeve forming and die forming for the conical parts.
主要介绍了圆锥筒形零件的阻力成形法、辅助套筒成形法和模具成形法。
A hydraulic setting anchor of type GY241, and a double packing ZY331 back washing packer features in self pack and rubber sleeve pack are developed.
研制了液压坐封gy241型锚定器和“自封与压缩胶筒”双重密封的ZY331型反洗封隔器。
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