Hasil 1-3 dari 81
Length of feed , ft , f ; depth of hole , ft , D ; time to drill length of feed , fd = r . Number of bits per hole , D < Total time per hole ( e + fd ) ( D + 0 + ( 1 + 8 ) , including moving and setting up drill .
A tape subjected to rough usage will soon have several repaired places , which often cause errors in its length . ( 6 ) Amount of pull has a very appreciable effect upon the length of a tape ; ordinary , light 100 - ft tapes will ...
The length of a symmetrical parabolic curve , L , when the rise is small , is closely approximated by equation ... the length , for taut curves common in tramway practice , may be taken as equivalent to a symmetrical parabola having ...
Apa yang dikatakan orang - Tulis resensi
LibraryThing ReviewUlasan Pengguna - wackyvorlon - LibraryThing
I only have the second volume of this work, and I love it! Found at a local Value Village, it is filled with fascinating information. Details of all aspects of mine engineering, including compressed air, ventilation, and supporting structures. Baca ulasan lengkap
Conditions Methods in General
35 bagian lainnya tidak diperlihatkan