On no account______ to be exceeded.(1.0)
A.is the SWL of the crane B.are the SWL of the crane C.the SWL of the crane is D.the SWL of the crane are正确答案A
On no account______ to be exceeded.(1.0)
A.is the SWL of the crane B.are the SWL of the crane C.the SWL of the crane is D.the SWL of the crane are正确答案A