[单选] The()of the telemotor is built the steering wheel console and located on the bridge.
A . transmitter B . receiver C . pipes D . charging unit
亲和力是影响嫁接成活的首要因素,一般来说,嫁接宜选同树种或同属树种的健壮苗木作砧木,不宜选不同属和不同科树种的苗木作砧木。
硬枝扦插最适宜的时间是初夏,而嫩枝扦插最适宜的时间是早春。
无论树种生根难易程度如何,采集插穗的要求都是一样的。
配制生长激素溶液通常用水直接溶解。
变压器检修如何分类?
The()of the telemotor is built the steering wheel console and located on the bridge.