如果是中间点合同深度，则对井眼的加深作业可能采取日费合同或“时间和材料”合同。
In the case of an intermediate contract depth, the work to deepen the well would likely be done on a day-rate basis, or a "time and Materials" contract.
雇主应自 行承担风险和费用，按照合同规定的时间和地点供应这些材料。
The Employer shall, at his risk and cost, provide these materials at the time and place specified in the contractor.
雇主应自 行承担风险和费用，按照合同规定的时间和地点供应这些材料。
The Employer shall, at his risk and cost, provide these materials at the time and place specified in the contractor.
应用推荐