All removals to be reassembled in order ______ of repairs.
A.upon commencement
B.on completion
C.before ending
D.after beginning
正确答案:C
所有拆卸下来的部件必须在结束修理之前重新装好
All removals to be reassembled in order ______ of repairs.
A.upon commencement
B.on completion
C.before ending
D.after beginning
正确答案:C
所有拆卸下来的部件必须在结束修理之前重新装好