A little porcupine made a house by the side of the river.小刺猬在小河边上造了一幢小房子.It is the Kookaburra ( Porcupine ) and Skunk Kingdoms that greet you today.今天是笑翠鸟 ( 豪猪 ) 和臭鼬王国向你们问候.One of the sharp hollow spines of a porcupine o...
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...
Objective To know the mechanisms of treating dentine hypersensitivity by NS Paint.目的探讨NS牙面涂料对牙本质过敏症的治疗机制.Intervention means the interposition on some relations or mechanisms by outside force.干预是外力对某种关系或机制的一种介入.Hypersensi...