There is certain expansionclearance between different parts of boiler and one another which can prevent deformation of heated surface due to restrained expansion.
锅炉各部件及相互之间有一定的膨胀间隙,可防止受热面由于膨胀受约束而变形。
2
The paper elaborates on the advantage ofexpansionclearance device of modular bridge, and introduces the application of the expansionclearance device of a typical bridge in expressway.
着重阐述了模数式桥梁伸缩缝装置的优点,以及具有代表性的毛勒桥梁伸缩缝装置在高速公路中的应用。
3
The fit clearance between spool and sleeve decreases because of the thermal expansion of the spool caused by temperature increment, so it is possible that spool is deadlocked in sleeve.