plain concrete pile with low concrete grade
high-performance of low-grade ordinary concrete
adoption of medium and low grade phosphate rock
an extremely low-grade form of cancer
c onsume low grade diesel
extra-low-grade metamorphism
forelimb low-grade parts of beef
high and low grade oil shale metallogenic mechanism
High-alkaline and low-grade oxidized copper ore
high-low-low temperature
high-low-low temperature process
LLWL (low-low water level)
low grade bituminous coal
low grade cement castable refractory