进料管、洗涤管、(压缩空气管)等,管道应尽可能短,并且加装压力表、(),与主机连接处加装膨胀节。
参考答案:温度表
下列哪种土毛细水上升最高( )
A.砂土
B.粘质土
C.粉质土
D.砂类土
The teacher always tells her students that only if __________ hard _________ achieve success.
A.do they work, will they
B.do they work, they will
C.they work, will they
D.they work, they will