燃油箱前固定件 fuel tank front mounting
颈椎前路固定 Anterior cervical fixation
前路内固定 anterior instrumentation ; Anterior internal fixation
固定提前期 fixed lead time
固定超前 [航] fixed lead ; constant lead
固定前缘机翼 hard wing
前路固定 Anterior fixation
固定式前炉 stationary forehearth
前照灯固定框 lamp support
非固定前台 Non-permanent Foreground
前固定盖板和后固定盖板的末端破损。
之后，通过合理控制前固定组球差及后固定组焦距，使变焦过程中的像面保持稳定。
Then, image surface position was kept steady during a zooming process by controlling the spherical aberration of front fixed group and the focal length of back fixed group.
直肠固定术和直肠前切除术已在腹腔镜下进行，效果很好。
Rectopexy and anterior resection have been performed laparoscopically with good results.
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