| 释义 | 
             
                double iron pulley block
                
            滑轮组huá lún zǔ 
 pulley block滑轮huá lún 
 block, block and tackle, chain wheel, pulley泵轮bèng lún 
 pump impeller; pump pulley锥轮zhuī lún 
 cone pulley; conical pulley双打shuāng dǎ 
 doubles烙铁lào tiě 
 soldering iron; searing iron; solder iron沃斯田铸铁wò sī tián zhù tiě 
 austenitic cast iron木块mù kuài 
 block, wood block条行铁tiáo háng tiě 
 bar iron铸铁zhù tiě 
 cast iron; wrought iron墩木dūn mù 
 block嵌段qiàn duàn 
 block镔铁bīn tiě 
 wrought iron锭铁dìng tiě 
 ingot iron箍铁gū tiě 
 hoop iron角钢jiǎo gāng 
 angle iron角铁jiǎo tiě 
 angle iron铁搭tiě dā 
 cramp iron圆铁yuán tiě 
 round iron导轮dǎo lún 
 idler pulley加倍努力jiā bèi nǔ lì 
 double, doubled快步走kuài bù zǒu 
 double, doubled, skelp锛架bēn jià 
 adz block艇架tǐng jià 
 keel block白口铁bái kǒu tiě 
 white iron
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