frenal
系带的
例句
The central zone of tensile stress moved to the frenal notch from the pre palate.
拉应力中区由基托前腭部移动到唇系带切迹区。
The central zone of tensile stress moved to the frenal notch from the pre palate and palatal side of the denture incisor of the base;
拉应力集中区由基托前腭部、前牙腭侧移动到唇系带切迹区；
