您要查找的是不是：
- piston compression ring 活塞压环,活塞压缩环
- MAKE DIE 0. D. TO SUIT COMPRESSION RING BEING USED, BY HOLDING THE STANDOUT DIMENSION AS SHOWN. 铸型外径应确保所示特别尺寸，以配合所使用的压缩环。
- From this time Takahashi used a compression ring ocular holder to provide precise centering of the ocular and optics of the telescope. 同时，高桥在目镜的套管中使用了一个压缩环来保证目镜的中央位置以获得良好成像。
- This pressure closes the reed valve so that further downward movement of the piston compresses the trapped air-fuel mixture in the crankcase. 当活塞向下运动直到露出进气口,可燃混合气所具有的压力使其上升,通过进气口进入气缸。
- The Design of Cushion valve in Piston Compression Engine 活塞式压缩机气垫阀的设计
- internally stepped compression ring 内阶梯式压缩环
- At the beginning stage of pumping, the piston compresses the concrete mixture, the pressure in concrete cylinder increases rapidly and the air in concrete mixture is compacted and excluded. 在泵送开始阶段，活塞压缩混凝土拌和物，混凝土缸压力在很短的时间内迅速上升，此时混凝土拌和物中的空气得到压实和排出；
- All the apprentices rushed to help fit the piston. 徒工们都跑过来帮助装活塞。
- Get lathe No.9 set to turn the new piston. 把九号车床调好来车这个新活塞。
- She had the sapphire set in a gold ring. 她把那枚蓝宝石镶在金戒指上了。
- The diamond ring dazzled with brilliancy. 这只钻石戒指闪耀夺目。
- The piston seems ok. Maybe something else is wrong. 活塞似乎没问题。可能别的什么东西坏了。
- She wears a diamond ring on her left hand. 她左手上戴着一枚钻石戒指。
- Our family reunions are always three ring circus. 我家合家团聚的场面总是热闹非凡。
- ANQING TP GOETZE PISTON RING CO., LTD. 安庆帝伯格茨活塞环有限公司。
- JiangSu Yizheng Wellong Piston Ring Co., Ltd. 江苏仪征威龙活塞环有限公司。
- Nanjing Feiyan Piston Ring Co., Ltd. 南京飞燕活塞环股份有限公司。
- I am sorry-she's out. Can you ring again later? 对不起－她出去了。你过些时候再打电话来好吗？
- The boys and girls made a ring round us. 男孩和女孩围着我们站了一圈。
- Please ring for the attendant if you need anything. 如果需要什么，请按铃找服务员。
