这些数字均出自美国国内的限额与交易法案所做出的承 诺。
The figures are drawn from pledges in existing planned US domestic cap and trade legislation.
分别对均质土中完整端承桩和弹性支承桩在垂直谐和激振力作用下的纵向振动特性进行了研究。
Longitudinal vibration of an integral pile in an uniform soil with end bearing boundary or elastic bottom boundary undergoing vertical harmonic load is theoretically investigated.
聚乙烯管件热熔承插和热熔对接接口抗拉强度及爆破强度均高于管材本体。
PE pipe hot melt socket and hot melt docking interface tensile strength and blasting strength are higher than the pipe ontology.
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