... despatching the train directly 直接发车 detector bar 道岔锁闭杆 diamond point 铁轨交叉菱形 ...
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... 侦察蜂 search bee 侦察杆 detector bar 侦察机 air scout; aircraft; intelligence; aircraft; reconnaissance; intelligence airc ...
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LC Gradient System VLIncludes gradient pump (max. pressure 400 bar) with integrated degasser, manual injector and variable wavelength detector with standard flow cell.
1220高效液相色谱仪（二元梯度泵），带手动进样器、紫外检测器，标准流通池。
The principle of detector is that the A-Scan flaw instrument of USL32 beams the ultrasonic to detect the bar material with the method of pulse echo once.
该系统采用A型超声波探伤仪产生超声波脉冲，采用一次脉冲反射法检测棒材。
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