Search results for: '实验室地面出现溢水的主要原因之一是忘记关闭水龙头,尤其停水时忘关水龙头,因此离开实验室时要认真检查。 (2 分)A正确B错误'
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- Seco 17ft/5m Fiberglass SVR Rod — 10ths Grad - 98020$222.30
Features a new shorter collapsed length and a lighter weight
Learn More - Johnson Level 13ft/4m Aluminum Grade Rod - 40-6310$68.63
Johnson Level 13' Aluminum Grade Rod for excavating ditches and trenches and with a Johnson laser detector.
Learn More - Johnson Level 16ft/5m Aluminum Grade Rod - 40-6320$86.44
Johnson Level 16' Aluminum Grade Rod is perfect to use while excavating with a Johnson laser level detector.
Learn More - Johnson Level 8ft/2m Aluminum Grade Rod - 40-6862$61.38
Johnson Level's 8' Aluminum Grade Rod can be used with a laser detector or transit level and is perfect for pouring concrete.
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