氧气筒内的氧不可用尽,压力表指针降至下列哪项时不可再用( )
A、0.1 MPa(1 kg\/cm2<\/sup>)
B、0.3 MPa(3 kg\/cm2<\/sup>)
C、0.5 MPa(5 kg\/cm2<\/sup>)
D、0.7 MPa(7kg\/cm2<\/sup>)
E、1 MPa (10 kg\/cm2<\/sup>)
发布时间:2023-07-25 05:07:49
A、0.1 MPa(1 kg\/cm2<\/sup>)
B、0.3 MPa(3 kg\/cm2<\/sup>)
C、0.5 MPa(5 kg\/cm2<\/sup>)
D、0.7 MPa(7kg\/cm2<\/sup>)
E、1 MPa (10 kg\/cm2<\/sup>)