... Larsen's pile 拉森型钢板桩 laser alignment 激光指向 lashing chain 无极绳挂链 ...
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激光指向仪 laser orientation instrument
竖井激光指向 [测] [激光] laser guide of vertical shaft
脉冲激光指向标 pulsed laer beacon
激光指向仪给向 driving direction guided by laser ; setting-out of driving working direction by laser gui
立井激光指向法 laserguideofverticalshaft
简易激光指向器 simple laser direction indicator
空间激光跟踪指向标 space tracking laser beacon
用激光指向仪指示巷道掘砌工作的方向和坡度。
Setting-out of driving workings direction by laser guide instrument;
产生磁场后额外的能量转化为红外激光，激光指向地球上收集能量用的卫星天线。
Any current not needed for the magnetic field powers an infrared laser trained on satellite dishes back on Earth, designed to collect the energy.
介绍了用一种简易激光指向器改装经纬仪，使普通经纬仪带有激光指向器。
An improved theodolite fixed with a simple laser direction indicator was introduced.
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