规范规定分部分项工程量清单应采用综合单价计价。()
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生态文明建设的就是在人与自然和谐相处的情况下,合理利用自然资源,为人类建设资源节约型、环境友好型社会的过程。()
All ships other than gazetted mail ships, arriving within 5 days of departure from a smallpox infected port, or from a plaque infected territory, should ________ health clearance at quarantine anchorage displaying appropriate signals.
A. wait
B. await
C. await for
D. be awaited
消除污底可以减小:
A. 摩擦阻力
B. 兴波阻力
C. 形状阻力
D. 剩余阻力