نمایش نتیجه 1 تا 5 از 5 نتیجه یافت شده برای drill rate test:
n: an exploratory drilling to define the drill pressure and rotate speed at the least cost when use new bit or the layer is variable
n: an exploratory drilling to define the drill pressure and rotate speed at the least cost when use new bit or the layer is variable
n: refer todrill rate test
n: in order to use complex drilling arithmetic formula ,some constants in the formula should be measured in advance ,and five-spot drilling test is one of methods to realize this target
n: see drill rate test.
© ۱۳۹۲-۱۳۹۷ این اثر شامل قانون حمایت از مولفین بوده و هرگونه کپی برداری از آن ممنوع است.
