吊杆: boom; hanger rod; sag tie; s ...支架: support; stand; trestle; hol ...吊杆支撑: boom crotch; derrick plumbing hatch吊杆支承座: boom step吊杆支柱: samson post吊杆支座: boom support; gooseneck bracket变速杆支架: selector support操纵杆支架: control lever bracket撑杆支架: overarm support刀杆支架: arm support; bar steadier导杆支架: guide bar support; guidebarsupport阀杆支架轴: valve lever fulcrum shaft帆横杆支架: boom crutch横杆支架: over brace控制杆支架: control lever fulcrum锚杆支架费: bolting cost明杆支架型: os&y球杆支架: bridge踏脚杆支架: foot lever holder推力杆支架: track bar bracket外刀杆支架: outer arbor support稳定杆支架: stabilizer bar arm鱼杆支架: rod holders闸杆支架: brake rod support镗杆支架: boring bar support
