英语词汇“packing up block”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	packing up block
释义	packing up block 衬层,垫板,垫块,填料
随便看	valve conical ring intwo part valve connector valve control valve-control valve control amplifier valve control circuit valve control hand wheel valve control handwheel valve-controlled internal combustion engine valve controlled port scavenging valve controlled servo valve-controlled servo valve control machanism valve control mechanism valve control motor valve control pillar valve control pulse valve control stand valve control system valve control unit valve converting tool valve cooling valve cord valve core valve core removing tool 下水淀的雏类们，大吃小下水船赶上顺风儿下河才知水深浅下河湿脚，惹火烧身。下河的窟窿只能下河填下河能深潜水底，起高能飞跃城墙下油锅下油锅，上火鏊下泉激洌清，旷野增辽索。登高眺遐荒，极望无崖崿。下泷船似入深渊，上泷船似欲升天。退租退税退缩退老退耕退职退聘退股退膘退色