Closing Arch for Grouting
封拱灌浆
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closing arch in summer
夏季封拱
Closing for afforestation
封山育林
covering mechanisms for closing and unclosing
盖体开合机构
hill closing for forestation
封山育林
safe arch closing temperature
安全封拱温度
Air blasting gun for arch collapse
破拱空气炮
China Arch for New Millennium
中华世纪门
gemel arch grouting
封拱灌浆
Advance small pipes for grouting
超前小导管
automatic recording system for grouting
灌浆自动记录仪
grouting for water blocking
注浆堵水
Grouting for Water Sealing
注浆堵水
Grouting for Waterproof
注浆堵水
Polyester Fibre for for spinning
聚酯纤维
pressure for grouting
压力灌浆
wall for grouting
止浆墙
arch rib and arch tile
拱肋拱波
tied arch bridge with steel arch rib
钢拱肋系杆拱桥
a high regard for Confucian classics and a low regard for commentaries
蜜蜂进化型遗传算法
心电图
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