long core meaning in English
长气门芯
Examples
- Middle - long coring barrel
中长筒取芯 - It shields the vessel against eruptions of methane gas and pressurized fluids and allows for the secure retrieval of nine - meter - long core samples
这个装置不但可预防船只受到甲烷气体与高压液体喷发的伤害，也使得每次加深九公尺探采的岩心样本可安全的回收。