| 单词 | initial set |
| 释义 | > as lemmasinitial set b. initial set (Building), a condition attained by cement when it begins to stiffen, but before hardening commences. ΚΠ 1891 T. Potter Concrete (ed. 2) I. iii. 104 If a plasterer finds his mortar for stucco is becoming too stiff..the initial set has commenced. 1927 Engineer 5 Aug. 143/2 At the completion of the operation the concrete has taken an initial set. 1953 Van den Branden & Knowles Plastering iv. 98 The initial set of Portland cement mortar occurs about two to three hours after the dry materials have been wetted. < as lemmas |
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