查询词典 endless screw

screw jack prop：螺旋千斤顶支柱

screw gummer 螺旋式煤粉除粉器 | screw jack prop 螺旋千斤顶支柱 | sea floor deposits 海底矿床

wing screw propeller：外侧螺旋推进器

wing pump 翼式泵(带有长柄的圆形小型泵 | wing screw propeller 外侧螺旋推进器 | wing screw 蝶形螺钉

tunnel screw propeller：轴隧推进器

tunnel screw propeller 隧道螺旋桨 | tunnel screw propeller 轴隧推进器 | tunnel shaft bearing 中间轴轴承

tunnel screw propeller：隧道螺旋桨

tunnel recess 轴隧端室 | tunnel screw propeller 隧道螺旋桨 | tunnel screw propeller 轴隧推进器

screw thread：螺纹;螺丝牙

螺栓 bolt | 螺纹;螺丝牙 screw thread | 螺纹切削法 screw thread cutting

screw thread：螺丝

Screw-down stop valve 螺旋阀 | Screw-thread 螺丝 | Scribing block 划针盘

screw thread cutting：螺纹切削法

螺纹;螺丝牙 screw thread | 螺纹切削法 screw thread cutting | 螺纹车削 thread cutting

screw up：抬升辊缝

Screw down 压下 | Screw up 抬升辊缝 | Edger 立辊轧机,轧边机

screw-top：螺旋说F螺旋塞

螺旋压榨机 screw extractor | 螺旋说F螺旋塞 screw top | 瘰癧;腺病 scrofula

Screw：螺丝

螺丝/螺栓(Screw)/丝帽(Nut)/介子(Washer)螺丝(screw)的原理是利用其螺丝纹将多过一件的工件作固定及紧紧地结合在一起,而又可作多次的松开及收紧. 另一方法是利用合适螺丝帽(nut)将多件工件结合

Stretto di Messina：墨西拿海峡

西西里岛最东端的墨西拿(Messina)和仅隔宽3公里的墨西拿海峡(Stretto di Messina)对面的亚平宁半岛靴子尖儿上的圣乔万尼(Villa S. Giovanni)"王小丫一定会奉送一个标志性微笑:"恭喜您,答对了!"

director of operations of National Security Council：国家安全委员会的执行主管

He's been in the papers lately. He's expected to be appointed...|他最近上了报... | director of operations of National Security Council.|国家安全委员会的执行主管 | Really? These are the letters...|是吗? ...