叉车各导线要卡子化不得随意拉线以免绝缘破损着火。
参考答案:对
The quality of the goods we have received is not as good as the ()presented.
A.sample
B.example
C.for example
D.gift
组织细菌含量>105CFU/g组织,伴有全身中毒症状,可能是
A.COB.醛C.氰化物D.CO 2E.芥子气