通用吸粪车前轮后轮承受负荷是光，在沉重的负荷下轻轮胎轮胎磨损。
General DE la villette front rear wheels, suck up the load is light, and in heavy load tire wear light tyres.
工程实践中发现，用螺旋翅片管换热器代替光管换热器是一种有效解决磨损问题的方法。
Engineering practice witnesses that the heat-exchangers used of helix finned tubes instead of that used of smooth tubes is an effective method lightening abrasion.
底端以角度被切断的和刨光，因为它经常磨损。
The end is cut at an angle and shaved regularly as it wears out.
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