English translation for "表面变硬"

case hardening

Example Sentences:

	1.	Boldwood was listlessly noting how the frost had hardened the surface of the snow . 博尔德伍德心不在焉地看着冰凌怎样使雪地的表面变硬。
	2.	Goodyear put his idea to the test , and saw that it did have more or less the desired effect , but only on the outside of the rubber 固特异把这一设想付诸试验，但并没有达到预想的结果，只是在橡胶的表面变硬了。

Similar Words：

"表面变坏" English translation, "表面变容二极管" English translation, "表面变色" English translation, "表面变形" English translation, "表面变性" English translation, "表面变质" English translation, "表面标本法" English translation, "表面标定" English translation, "表面标志" English translation, "表面玻璃" English translation