硬癌
参考答案:
癌实质少、间质多而致密,质硬,很少形成腺样结构。
In order to change some companies’ _______ towards hiring women college graduates, the government plans to pass a law.
A.views
B.rules
C.attitudes
D.methods
下列哪几种属于塔机安全限位装置?()。
A、高度限位
B、小车行程限位
C、回转限位
D、风速仪