ardness+test布氏硬度试验+brinell+hardness+tester布氏硬度试验机+....doc

ardnesstest布氏硬度试验brinellhardnesstester布氏硬度试验机...pressibility体压缩率bulkdensity堆积密度bulkmaterial散装材料bulkmodulus体积弹性模量bulkweight容重bulkhead隔壁bulldozer推土机bulldozerblade推土机刮土铲bulletproofglass防弹玻璃bulletprooftire防弹轮胎bulletprooftyre防弹轮胎bumper缓冲器bumperbeam缓冲梁bumperspring缓冲弹簧bundle束bunker储藏库bunsenburner本生灯buoyancy浮力buoyancyforce浮力burden炉料burette滴定管burn燃烧burner燃烧器喷灯burnernozzle喷灯嘴burning燃烧burningrate燃烧速度burningtime燃烧时间burningzone燃烧带burnisher辊光机burnishing挤光burnishingdie整形冲模burnoutvelocity燃尽速度burntlime生石灰burntsand烧成砂burr毛刺burring去毛刺burringmachine去毛刺机burstingpressure破裂压力burstingstrength破裂强度burstingstress断裂应力burstingtest破裂试验bus公共汽车busengine公共汽车发动机bush套筒bushextractor起衬套器衬套扳出器bushpuller起衬套器衬套扳出器bushrollerchain套筒滚子链bushingchain套筒链buttjoint对接buttmuffcoupling筒形联轴器buttresistancewelding电阻对接焊buttstrap搭板buttweldedpipe平焊接管buttweldedtube平焊接管bu