根茎繁殖
参考答案:
似根横卧地下,呈长形而肥大,具节,节上有芽和不定根,且有顶芽的地下变态茎,即为根茎。将根茎带芽(2一3个)分割栽植,即可形成新的植株。
People generally think that fairness and justice are at the centre of ______ they are striving for.
A.how
B.why
C.which
D.what
汽包内部清扫时,对().()区域要仔细检查,遇有铁锈.硬垢时用刮刀刮净。