Anulus (Annulus) January 29, 2017by admin224 View Anulus (Annulus) merupakan Ruang diantara pipa bor dan dinding lubang bor Cari Istilah Geologi Tambang Post Views: 224 Related posts:Basin ( Basin )Tempat tumpah ( tip; tipple )Pembalik mangkuk ( tumbler )Seri ayakan ( sieve series )