This paper expounds the making technology and technical properties of a new compoundblock which USES the hollow concrete block as the shell and is filled with foam concrete in its cores.
本文论述了一种以混凝土空心砌块为外壳，孔洞内充填泡沫混凝土的复合砌块的制作方法及其技术性能。
2
A compound statement consists of a flow control instruction, followed by a colon character (:), followed by a block of program statements.
一个复合语句包括一个流控制指令，后跟一个冒号(：)，然后再是一个程序语句块。
3
The block of statements is made up of one or more simple and compound statements.