地衣是一种绿藻或蓝藻与一种真菌共生的形式.Lichen is a form in which green or bluegreen algae and a fungus live together symbiotically.但金与其通常的共生元素在树叶中并不是组合共生的.However, no intergrowth of the paragenetic elements was observed in plants.委内瑞拉和古巴仍...
这需要认真地准备需搭接的两片衣片.This necessitates carefully preparation of the two sections to be lapped.使搭接用凿槽或搭接的方法连结 ( 小块, 例如木头的 )To join ( pieces, as of wood ) by means of a scarf or lap joint.在开关柜中,作为输送电能的母线之间需要搭接, 搭接的可靠性是输、配电网络能否...
It is all around with iron wire, guardrail window and door.旅馆四周被带刺的铁线围着, 窗户和门口都有围栏.Highway guardrail, sports venues fence, the road network of green belt protection.高速公路护栏, 体育场所围网, 马路绿化带防护网.Their car crashed into a guard...