indicator horizon indicator seam key bed marker bed marker zone seam leader
Related Translations:
指示: 1.(指给人看) indicate; point out2.(指示下级) instruct 短语和例子指示某人做某事 instruct sb. to do sth.3.(指示的话或文字) directive; instructions 短语和例子发出指示 give instructions; 接到指示 receive instructions4.(显示) direction
