Pre-freezing is one of the method to set samples while the general method is not applicable to the special soil.
对于常规取样方法不适用的特殊土,冷冻法取样是方法之一。
However, the above method is not applicable for the gate chamber when the foundation of weir body is "high-low foot".
然而对于堰体基础呈“高低脚”的闸室,该方法很不适用。
Downhole annular pressure is a key parameter. Conventional pressure loss calculation method is not applicable to a slin - hole.
井底环空压力是小井眼钻井的关键参数,通常的压力降计算方法对小井眼不适用。
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