wooden cross arm 木横担
cross-arm 线担 ; 腕木 ; 交叉臂式
valve cross arm 气门横臂
cross-arm brace 横担斜撑 ; 角撑
cross-arm guy 横担拉线
Cross-arm test 交臂试验
cross arm block 横臂滑轮组
Always something, others come easily, but lost all their cross arm;
总会有些东西,别人轻易到手,自己却失诸交臂;
The structure formation of towers is very novel, and the cross arm is rather long.
铁塔结构形式新颖,杆塔导线横担悬臂较长。
The tower of the extra high voltage (EHV) transmission line is heavy, tall, and it has longer cross arm and complex structure.
特高压线路的铁塔重量大、铁塔高、横担长、结构复杂。
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