Installing aim at ruler, raising loads membrane speed, reducing the photosensitive membrane wastes.
装有对位标尺，提高装膜速度，减少干膜浪费。
Also it analysed the cause of the faults of the electronic displaying ruler in sound speed measuring unit.
对于声速测定仪中电子数显尺的常见故障原因进行了分析，并总结出维修方法。
Whose main products has a plywood to fix ruler saw edge machine, adjustable high speed of series machine with a saw ;
其主要产品有胶合板定尺锯边机，系列可调高速锯边机；
Whose main products has a plywood to fix ruler saw edge machine, adjustable high speed of series machine with a saw ;
其主要产品有胶合板定尺锯边机，系列可调高速锯边机；
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