污泥浓缩罐（T-D13A/B/C/D）的操作压力为（）。 常压。 0.5Mpa。 1.0Mpa。 1.5Mpa。
联合营销的服务对象主要是（）。 中小企业。 大型客户及其上、下游客户或集团性客户。 大型企业。 国有企业。
Should it appear that war or blockade would prevent the vessel from safely reaching the port of destination and / or discharging the goods thereat，the Carrier（）. is entitled to discharge the goods at the port of loading or any other safe and convenient place and terminate the contract of carriage。 is not entitled to terminate the contract of carriage。 is not entitled to claim against the shipper or charterer any damage that he will suffer with the cargo on board。 is entitled to claim freight with the cargo on board。
When you adjust a thermostatic expansion valve, （）. refrigerant must be bled off the sensing line before adjustments are made。 all refrigerant must be pumped into the receiver before adjustments are made。 time must be allowed for conditions to stabilize in the evaporator before further adjustments are made。 all refrigerant must be routed through the dehydrator while changing the superheat setting。
加压接触氧化塔（TW-D05A/B）的出口COD不大于（）。 100mg/L。 200mg/L。 300mg/L。 400mg/L。
污泥浓缩罐（T-D13A/B/C/D）上装有搅拌装置和顶部装有加热装置，是为了（）过程，同时也是为了有效去除污油。
