English translation for "直井眼"

straight hole

Similar Words：

"直井法" English translation, "直井井下马达" English translation, "直井炉" English translation, "直井式溢洪道" English translation, "直井涡轮钻具" English translation, "直景" English translation, "直颈" English translation, "直颈安全漏斗" English translation, "直颈式" English translation, "直敬" English translation