回油式喷油嘴的()与()方式有密切关系。
参考答案:工作特性;油压的调节
Everyone should learn to ______to new surroundings in order to live and work well.
A.attach
B.turn
C.respond
D.adapt
新建钢铁联合企业,吨钢综合能耗低于( )t标煤。
A.0.5 B.0.7 C.1.0 D.1.5