“ultrasonic leak detector”的概念、定义、翻译、参考文献-科学参考

单词	ultrasonic leak detector
释义	ultrasonic leak detector [¦ǝl·trǝ`sän·ik `lēk di´tek·tǝr] ^ENGINEERING An instrument which detects ultrasonic energy resulting from the transition from laminar to turbulent flow of a gas passing through an orifice.
随便看	Protocucujidae protoderm protodolomite Protodonata Protodrilidae protoenstatite Protoeumalacostraca protogalaxy protogenic protogyny protointraclast protolith Protomastigida protomer Protomonadina Protomonida protomylonite Protomyzostomidae proton proton accelerator proton acid protonate proton capture proton drip-line proton-electron-proton reaction

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