cobble stone的例句大全

Funnel drilling machine has following functions such as spiral excavating soil directly in the hole, piercing through cobble stone and weathering strongly rock layer, if matching hidden hole hammer of automobile and complete set tube, drilling machine can embed in the rock layer.

钻斗钻机具有孔内直接旋挖取土、快速穿越卵石土层和强风化岩层的功能，配上汽车潜孔锤和全套管跟进，可快速嵌入岩层。

for cobble stone made foundation, a transition layer is built to avoid infiltration. the surface has a protecting layer.

填筑铺盖前必须清基，在砂卵石地基上应设置过渡层，以防渗透破坏，顶面应设保护层。

Enjoy the narrow cobble stone streets and quant atmosphere.

喜欢那铺满鹅卵石的狭窄街道和泛舟的氛围.

Narrow streets of cobble stone.

行走在鹅卵石铺就的狭窄街道上.

effects of dry density and percent fines on shearing strength of sandy cobble and broken stone

干密度和细粒含量对砂卵石及碎石抗剪强度的影响