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- Aeroacoustic governing equations is established for non-concentric perforated mufflers based on one dimensional plane wave theory. 摘要根据管道一维平面波理论对非同轴穿孔消声器，建立声学控制方程。
- Sheets of postage stamps are perforated. 一张张的邮票都打过接缝孔。
- The target was perforated by bullets. 靶子上全是子弹打穿的孔。
- perforated muffler 穿孔管消声器
- Having no opening; not perforated. 不开口的，不穿孔的
- The colors of your coat, hat and muffler should harmonize. 你外套、帽子和围巾的色彩应该协调。
- A corrugated or perforated conducting plate in a storage battery. 极板网栅，蓄电池电极板蓄电池中呈波纹状或有孔的导电板
- In perforated continuous forms paper, the interval between cuts. 在穿孔的连续格式纸上，割线之间的间距。
- They took off his coat and cap and muffler. 大家给他脱去大衣、帽子、围巾。
- Nobody can put a muffler on him. 从来还没有人能让他住嘴。
- EQUIPPED WITH MUFFLER ACCELERATOR AND AIR FILTER. 配备消声器、加速器和空气过滤器。
- The muffler does not work properly. 消音器失灵了。
- A perforated nozzle for spraying water from a hose or sprinkling can. 莲蓬式喷嘴一种使水从管子或喷水壶里喷洒出来的有孔的喷嘴
- The broken ribs perforated into his lung. 折断的肋骨刺穿了他的肺。
- The muffler doesn't work properly. 消音器失灵了。
- The nail perforated her coat and left an ugly rip. 钉子穿透她的上衣，留下一块难看的破绽。
- I need to buy auto muffler,please with contact us. 我们需要购买汽车消声器，请联系我们。
- The muffler is inside the heat shield. 消音器安装于加热保护罩内部。
- A: Verify that you have the correct muffler system. 核实,您有正确消音器系统。
- The worms have perforated the mucosa to suck blood. 虫体钻入粘膜吸血。
