如果要求其他特殊工作条件时，请在订货时与制造厂商联系。
If other especial work condition has been required, please contact factory before ordering.
地质勘探行业野外作业高度流动、分散，工作条件、作业环境艰苦、危害性大，安全生产工作十分特殊。
The geological exploration industry's field drilling operation conditions are highly circulating and dispersing, tough and hazardous, very special works of safety in production.
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