盘式制动器的闸瓦间隙一般调定在()mm之间。
A、0.5-1
B、1-1.5
C、1.5-2
D、2.0-2.5
参考答案:B
People take naps at noon in hotter climates, ______ the heat makes work difficult in the early afternoon.
[ ]
A. which
B. what
C. when
D. where
国务院第373号令《特种设备安全监察条例》所称“特种设备”有哪些?