Since labor and land are important inputs into the production of Big Macs, these differential costs feed through into the final cost of the burger.
由于劳动力和土地是生产巨无霸的重要投入，由此造成的成本差异会体现在巨无霸的最终成本上。
2
The design of double worm gear, differential gear trains, has been used as a typical design for years in the feed box moving bench of planomiller.
龙门铣床推动工作台的进给箱以往的典型设计是双蜗轮一差动轮系式。
3
The over feed and feeding method in air-texturing, the differential shrinkage rate and average shrinkage in differential shrinking can affect the CV value of air-jet textured yarn remarkably.