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expansion ratio
archit. 膨胀率
auto. 膨胀比活塞在上止点的间隙容积与活塞在下止点时的总容积之比
bridg.constr. 伸缩率
el. 膨胀系数
el.mach. 伸长比
hydroel.st. 膨胀率
oil.proc. 膨胀比
space 膨胀比 (喷管); 喷管面积扩张比
tech. 扩张度; 展缩比; 发泡率; 发泡倍数; 膨胀比 (率)
expansion ratio: 42 phrases in 13 subjects
Automobiles1
Aviation4
Bridge construction1
Engineering geology1
Metallurgy1
Nautical1
Oil / petroleum3
Plastics4
Polymers1
Refrigeration1
Space12
Technology10
Telecommunications2