您要查找的是不是：
- F牵引梁F draft sill
- 牵引梁draft sill
- 牵引梁连结板draft sill tie plate
- 鹅颈式牵引梁goose neck
- 主牵引梁千斤顶draw-bar jack
- 牵引(v) tow; pull
- 罐车牵引梁失效容限分析全尺寸验证试验Stub-Sill Tank Car Damage Tolerance Analysis Full-Scale Validation Test
- 此为F。O。B。横滨实盘，有效期为本地时间星期一收到回电。We offer firm FOB yokohama for your telegraphic reply here by monday our time.
- 牵引机hauling machine
- 横梁，顶梁水平的或横向的梁，尤指架在两个支柱上的建筑构件A horizontal or transverse beam, especially a structural member resting on two supports.
- 牵引器retractor
- 木楼梯侧板，木楼梯小梁在阶梯两边支撑楼梯的踏板和竖板的有凹口的木板A notched board at either side of a staircase that supports the treads and risers.
- 现今农民用牵引机耕地。Farmers now use tractors to plow their fields.
- 醇溶高梁蛋白prolamine from sorghum
- 牵引装置tow attachment
- 甜高梁sorgo
- Ｈ形梁H beam
- 牵引电机pulling motor
- Ｔ型梁T beam
- 牵引绳haulage rope
