It's a mean of geotechnical investigation, including borehole surveying, costeaning, trenching exploration, test pitting, hole exploration, geophysical exploration and penetration sounding.

岩土工程一种手段，包括钻探、井探、槽探、坑探、洞探及物探、触探等。

It's a mean of geotechnical investigation, including borehole surveying, costeaning, trenching exploration, test pitting, hole exploration, geophysical exploration and penetration sounding.

岩土工程勘察的一种手段，包括钻、井、槽、坑、洞、触等。

It's a mean of geotechnical investigation, including borehole surveying, costeaning, trenching exploration, test pitting, hole exploration, geophysical exploration and penetration sounding.

岩土工程勘察的一种手段，包括钻、井、槽、坑、洞及物、触。

It's a mean of geotechnical investigation, including borehole surveying, costeaning, trenching exploration, test pitting, hole exploration, geophysical exploration and penetration sounding.

岩土工程一种手段，包括钻探、井探、槽探、坑探、洞探及物探、触探等。

It's a mean of geotechnical investigation, including borehole surveying, costeaning, trenching exploration, test pitting, hole exploration, geophysical exploration and penetration sounding.

岩土工程勘察的一手，包括钻探、井探、槽探、坑探、洞探及物探、触探等。

It's a mean of geotechnical investigation, including borehole surveying, costeaning, trenching exploration, test pitting, hole exploration, geophysical exploration and penetration sounding.

岩土工程勘察的一种手段，包括钻探、井探、槽探、坑探、洞探及物探、触探。

It's a mean of geotechnical investigation, including borehole surveying, costeaning, trenching exploration, test pitting, hole exploration, geophysical exploration and penetration sounding.

岩土工程勘察一种手段，包括钻探、井探、槽探、坑探、洞探及物探、触探等。

It's a mean of geotechnical investigation, including borehole surveying, costeaning, trenching exploration, test pitting, hole exploration, geophysical exploration and penetration sounding.

岩土程勘察手段，包括钻探、井探、槽探、坑探、洞探及物探、触探等。

It's a mean of geotechnical investigation, including borehole surveying, costeaning, trenching exploration, test pitting, hole exploration, geophysical exploration and penetration sounding.

岩土工程勘察的一种手段，包括钻、井、槽、坑、洞及物、。