查询词典 friction ball

ball-driving contact-type air plug gauge：钢球传动型接触式气动塞规

ball-bearing mill 离心球磨机 | ball-driving contact-type air plug gauge 钢球传动型接触式气动塞规 | ball-joint manipulator 球承机械手

Ball bearing with arch raceway outer ring：外圈拱形沟道球轴承

Ball bearing tandem mounting 成对串联安装角接触球轴承 | Ball bearing with arch raceway outer ring 外圈拱形沟道球轴承 | Ball bearing with filling slot 有装球缺口的球轴承

ball boy：(给打网球的人捡球的)球童

ball bonder || 球形接合器 | ball boy || (给打网球的人捡球的)球童 | ball bullet || 实心弹头

The boy needs a ball pen：男孩需要一支圆珠笔

The boy needs a ball pen./男孩需要一支圆珠笔. | It is a ball pen./这是一支圆珠笔. | There is only one ball pen in the pencil box./这铅笔盒里只有一支圆珠笔. 副词作定语:

ball breaker：玻球式触底指示器

ball bearing 滚珠轴承 | ball breaker 玻球式触底指示器 | ball cage 弹子夹

ball breaker：重锤

ball bonding ==> 球焊=>ボールボンディング | ball breaker ==> 重锤 | ball burnishing ==> 钢珠滚光,钢珠抛光

ball breaker：玻球式触底唆使 器

ball bearing 滚珠轴承 | ball breaker 玻球式触底唆使 器 | ball cage 弹子夹

ball cartridge：实弹

ball bearing 滚珠 | ball cartridge 实弹 | ball cock 浮球阀

Ball Caster：平底波辘

ball bearing 滚珠轴承 | Ball Caster 平底波辘 | Ball Peen Hammer w/handle 圆头锤

ball clay：球[状][黏]土

ball bonding 球形接合,球形压接 | ball clay 球[状][黏]土 | ball grid array 球状栅极阵列封装体

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? ...