题型:名词解释 第三类导线是指()A.基牙牙冠的外形高点线B.基牙向缺隙方向倾斜,颊、舌面的主要倒凹区靠近缺隙C.口腔模型上硬、软组织的倒凹区和非倒凹区D.基牙向缺隙的相反方向倾斜,颊、舌面的主要倒凹区远离缺隙E.基牙向颊侧或舌侧倾斜,或导线接近面,倒凹区分布广泛可摘局部义齿是根据基牙三类不同的导线,设计出不同的卡环。 查看答案
题型:名词解释 Our starboard derrick boom of hatch No.4 is badly cracked()that it has become entirely useless.A.at its goose neck to such a extentB.at it's goose neck to such an extentC.at it's goose neck for such a extentD.at its goose neck to such an extent 查看答案