词汇	underground hole
释义	underground hole 地洞
随便看	horizontal component distribution curve Horizontal component of cutter position horizontal component of electric field horizontal component of geomagnetic field horizontal component seismograph horizontal composition horizontal compressed tectonic movements horizontal compression horizontal compressor horizontal concasting horizontal concentration horizontal concomitant squint horizontal concrete mix batching plant horizontal concrete mixing plant horizontal condenser horizontal conductor horizontal condyle path horizontal cones horizontal configuration horizontal conflict Horizontal conformity horizontal conglomera horizontal connected well horizontal consistency horizontal consitution