避免产生离析现象,混凝土的自由下落高度和竖向构件浇注高度分别应满足()
A. 小于2米,小于3米
B. 小于等于2米,小于3米
C. 小于等于2米,小于等于3米
D. 小于2米,小于等于3米
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铝套管电缆直通头接续时,12x4电缆甲端电缆外护套到已端电缆外护套距离()。
A. 800mm
B. 820mm
C. 830mm
D. 840mm
同城票据清算业务中,应由专人每日与中行往来账户进行对账,保证账账相符。
A. 正确
B. 错误
A Channel Manager utilizing the Commerce Accelerator functions could perform which of the following tasks against a Channel hub?()
A. View products, categories, bundles and kits for the catalog
B. List distributors for the reseller hub
Create or delete a distributor service agreement
D. Create or delete e-Marketing Spot