The safety part in hoistway and pit is finished, safety loop is connective.
井道安全部件、底坑安全部件安装到位，安全路导通。
词条纠错
X
n. （货物）起卸口，
Elastic mid-strength rock wool board: used for heat preservation, fireproofing and sound absorption for the building wall/roof, such as curtain wall, inner wall partition and elevator hoistway, etc.
有弹性，中等强度岩棉板：适用于建筑墙体/
顶保温、防火、吸音，如幕墙、内墙隔断、电梯井等。
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相似单词
hoist, hoister, hoisting, hoistman, hoistphone, hoistway, hoity-toity, hoje, hoke, hoker,
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