沥青针入度试验标准针的直径为()mm。 ["A、1.0~1.02","B、1.5~1.52","C、2.0~2.1"]
Atmer163的进料是由什么来控制,如何控制?
古人说的“酢”指的是今天的:() ["酱油","豆油","醋","酒"]
沥青与石料的低温粘结性试验,非经注明,试验温度应为()℃。 ["A、-10","B、-15","C、-18","D、-20"]
三吊汤是在()的基础上再次提纯而成的高级清汤。 ["A.二吊汤","B.单吊汤","C.荤汤","D.鸭汤"]
投用蒸汽过程中应注意什么?