... alignment of a hole 孔对准 ; 孔对中 hole alignment 孔对准 Photoelectric hole alignment 光电对孔 ...
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将处理器定位，以使针1与盲孔对准，然后放下处理器。
Position the processor so that both pin1 and hole1 match and then place the processor down.
每轴底部的板子是否检验其孔尺寸，孔位，孔对准度与孔数量等？
Are output boards at the bottom of each spindle inspected on the hole size & location, hole registration and hole quantity etc?
如果操作装置的安装孔与阀门法兰孔没有对应上，就要把锁定螺栓退回，旋转手轮式的螺栓孔对准为止。
If the operator mounting holes do not line up with the valve flange holes, the stop screw (s) should be backed off and handwheel turned until holes are aligned.
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