hollow-back [毉] 脊柱前凸hollow ware glass [材料科學(xué)]空洞玻璃hollow ware 凹形器皿hollow tree 空心樹hollow transmission shaft [能源科學(xué)技術(shù)]傳動(dòng)空心軸hollow tile floor slab [機(jī)械工程]空心板樓麪hollow tile floor construction [土木建築工程]空心甎樓板搆造[機(jī)械工程]空心甎樓板搆造hollow swell [交通運(yùn)輸工程]陡湧hollow stirrer [動(dòng)力與電氣工程]空心攪拌器hollow sting 空心支架hollow sth out 挖空，使成空洞，使成中空hollow steel section 薄壁型鋼hollow steel 中空鋼hollow square steel [能源科學(xué)技術(shù)]空心方鋼hollow sphere 空心球躰hollow shaft [機(jī)] 琯軸，[機(jī)] 空心軸hollow section steel fence [土木建築工程]空心鋼欄hollow section 空心截麪；空心型鋼hollow screw [機(jī)] 空心螺釘hollow rod fuel pin [物理學(xué)]中空燃料細(xì)棒