Acoustics . measurement of insertion loss of ducted silencers without flow . laboratory survey method 声学.无流量导管消音器插入损耗率的测量.试验室调研法
Basic design 9mm semi - automatic gun . 12 shot clip . long - range weapon . optional silencer and laser sight 基本设计为9毫米口径半自动手枪， 12发，长射程。可选配消音器和激光瞄准器。
Basic design 9mm semi - automatic gun . 12 shot clip . long - range weapon . optional silencer and laser sight 基本设计为9公厘口径半自动手枪， 12发，长射程。可选配消音器和雷射瞄准器。
" right as a trivet now , " said the mechanic as he crawled out from under the car . " i ' ve replaced your silencer . “现在呱呱叫啦， ”机修工从汽车底下钻出来时说道， “我已经把你的消音器换了。 ”
Acoustics - laboratory measurement procedures for ducted silencers and air - terminal units - insertion loss , flow noise and total pressure loss 声学.管道消音器和气体终端设备的实验室测量步骤.插入损失流动噪声和总压损失
Acoustics - laboratory measurement procedures for ducted silencers and air - terminal units - insertion loss , flow noise and total pressure loss 声学.管道消音器和空气终端装置的实验室测量步骤.插入损失流动噪声和总压损失
Acoustics - laboratory measurement procedures for ducted silencers and air - terminal units - insertion loss , flow noise and total pressure loss iso 7235 : 2003 ; german version en iso 7235 : 2003 声学.管道消音器和空气界面装置的实验室测量步骤.插
Swat teams sometimes use silencers , not for stealth , but to insure that they will be able to hear if one of the swat team membersfires a shot inside the confined space of a room 特警小组有时使用消音器，不是为了隐蔽，而是为了保证队员在室内狭小空间开火时还能听见声音。
“ the word spreads real quick about it , what they ' re worth , ” said marty antonelli of marty ' s welding and muffler shop in pittsburgh . “ everybody is on them now “关于这件事的传言流传很快，它们能值多少钱，现在每个人都知道。 ”来自匹兹堡马蒂焊接消音器店的马蒂?安东里尼说。
Specialized manufacture vehicle purify system diesel generator purify system quieting equipment exact metal honeycomb carrying capacity pulley manufacture catalyst ; etc . seven products 专业制造=汽车净化系统机车净化系统柴油发电机净化系统静音型消音器精密金属蜂巢载体钢板成型皮带轮专业制造触媒等七大产品.
